Current issue

• 2015 Vol.5 No.4 Published:06 May 2015

  The Impact of the Different Densities of Transplants on Rice Yield and Yield Components 2015, 5 (4):  1-4.  DOI: 10.11923/j.issn.2095-4050.2014-xb0887 Abstract + ( 1222 )   PDF ( 1270KB )   ( 1192 ) In order to research the impact of the different densities of transplants on rice yield and yield components, and proposed the best densities of transplants, Kongyu131 was taken as experimental material in this test, employed two factors randomized blocks design, studied the impact of the different densities of transplants on rice yield and yield components. The result showed that the treatment of row spacing 10 cm and 3 plants in a bunch had the highest yield, was 10353.26 kg/hm2. It was significantly higher than the treatment of row spacing 16 cm and 2 plants in a bunch, and it increased the setting percentage and the thousand grain weight firstly, then it caused the output increasement. There was a significant positive correlation between the yield and 1000-grain weight (r=0.5), and the yield had a less positive correlation with the setting percentage, and the yield had a negative correlation with the grains per bunch and ears of plant, there was a highly significant negative correlation between the setting percentage and the grains per bunch, and the grains per bunch had a highly significant positive correlation with the grains per bunch, r=0.73. Under this experiment condition, the treatment of row spacing 10cm and 3 plants in a bunch was the best densities of transplants, it was an ideal density to achieve high yield of rice.

  Breeding of ‘YinuoNo.369’: a New Qualified Variety of Glutinous Maize 2015, 5 (4):  5-9.  DOI: 10.11923/j.issn.2095-4050.2014-xb0777 Abstract + ( 1210 )   PDF ( 1339KB )   ( 1207 ) In order to meet the market demand for both fresh food and grain processing, Hoticulture Institute of Shanxi Academy of Agricultural Science have bred a new variety of waxy maize.‘Yinuo No.369’was a hybrid F1 Developed by crossing inbred line BN23-1 as female parent and inbred line BN51 as male parent. The period from shooting to fresh spike picking was 100-105 days.‘Yinuo No.369’was one kind of compact corn with dark green leaves and a height of 227.3 cm. The spike was 18.8 cm in length, 4.8 cm in width, the position of which was 96.6 cm in height.‘Yinuo No.369’was 14-16 rows with 37.2 grains per row. It holds many high properties such as white spike axes, rigid grain, waxy surface, straight tubular spike and good order array. The commercial characteristic was good for its strong waxy, thin skin and sweet taste after steaming. The average yield was reported to be 14210 kg/hm2.‘Yinuo No.369’was examined and approved by the cultivar registration committee of Chongqing in 2012, which stated that the low-relief terrain, shallow hill, narrow flatland and similar eco-region are suitable for growing it.

  Comparative test of fresh eating Maize planting variety in Yanqing County 2015, 5 (4):  10-15.  DOI: 10.11923/j.issn.2095-4050.2014-xb0964 Abstract + ( 1283 )   PDF ( 1384KB )   ( 1006 ) Abstract: In order to select suitable fresh eating Maize Varieties in Yanqing area, analyzest growing period, economic characters, yield, quality, resistance of 11 fresh eating corn varieties in 2013. The result shows that: the period from seeding to harvest in Waxy maize is 95d to 96d. The period of seeding to harvest in sweet corn is 86d to 90d. Waxy corn "Jingke waxy 569” and sweet corn "Jingke sweet 533" express outstanding. The fresh ear yield of "Jingke waxy 569" is 20700 kg / hm2, commercial ear yield is 17250 kg / hm2. The fresh ear yield of "Jingke sweet 533" is 13400 kg / hm2, yield of 13070 kg / hm2 commercial ear. The resistance and plant type of "Jingke waxy 569" are better than other varieties. The spike type of "Beijing sweet 533" is uniform, neatly arranged, not bald and bright. The comprehensive score of "Jingke waxy 569” and "Beijing sweet 533" are higher than the current conventional planting "Jingke waxy 2000" and "Jingke sweet 183". These two varieties can be used as a substitute planting varieties in the future.

  Grey Relational Evaluation Study in Agronomic Traits and Yield of Different Peanut Varieties 2015, 5 (4):  16-19.  DOI: 10.11923/j.issn.2095-4050.2014-xb0817 Abstract + ( 1280 )   PDF ( 1221KB )   ( 1051 ) In order to overall evaluate correlation degree in agronomic traits and yield of twelve peanut varieties, we studied seven peanut agronomic traits and yield with the grey relational analysis method. Finally, we used a varieties assessment function to evaluate yield- increasing potential of twelve peanut varieties, compared with reference variety in weighted correlation degree. The results showed that, the growth period, pod branches and pods per plant had most correlation degree with yield. The pod branches and growth period showed most correlation degree with 100-kernel weight. The number of pod branches, pods per plant and main stem height had most correlation degree with pod branches. In order to improve the efficiency of breeding, we could coordinate acceleration of yield correlated with other traits in plant breeding practice. The weighted correlation function evaluation showed that‘Fenhua3’,‘Luhua13’,‘Jinhua6’and‘Tianfu3’had most yieldincreasing potential. The conclusion could be used as reference point for new peanut varieties introduced cultivation, which also provided better service in local agricultural production.

  Research Progress on the Technology of Chemical Defoliation and Ripening in Cotton 2015, 5 (4):  20-23.  DOI: 10.11923/j.issn.2095-4050.2014-xb0680 Abstract + ( 1507 )   PDF ( 1202KB )   ( 1672 ) This paper introduced the principle of cotton chemical defoliation and ripening, the current complexion situation of chemical defoliants and ripeners, and the application of auxiliaries. The influences of the technology on cotton yield, fiber quality and seed quality were analyzed. The paper focused on the usage method of the chemical defoliation and ripening technology, and some suggestions on the China existing technology problems and future development were put forward.

  Analysis of Fiber Quality of Cotton Varieties Examined and Approved by Hbei Province During 2009-2013 2015, 5 (4):  24-26.  DOI: 10.11923/j.issn.2095-4050.2014-xb0597 Abstract + ( 1198 )   PDF ( 1196KB )   ( 1174 ) To study the fiber quality of cotton variety examined and approved by Hebei Province and provide guidance for future cotton varietal improvement, the fiber quality of 44 cotton varieties examined and approved by Hebei Province during 2009-2013 were researched. By comparing with the cotton varieties examined and approved during 2004- 2008, the upper half mean length were basically flat, the fiber strength and the micronaire are higher. By comparing with the cotton varieties bred by the nation and the other provinces, the upper half mean length and fiber strength of the varieties bred by Hebei Province are lower, the micronaire was higher and the ntegrated cotton fiber quality was poor. The effect about genetic improvement of fiber quality was not obvious in recent five years.

  Salt tolerance identification and screening of Brassica napus in tidal field 崔世友 2015, 5 (4):  27-30.  DOI: 10.11923/j.issn.2095-4050.2014-xb0826 Abstract + ( 1257 )   PDF ( 1234KB )   ( 1361 ) Selection of salt-tolerant Brassica napus varieties, development and utilization of tidal field for rapeseed production, has the practical significance in Jiangsu Province with more people and less land. Eight Brassica napus varieties/lines were utilized for yield and salt tolerance identification and screening in low (EC1:51.08±0.09 mS/cm) and medium (EC1:52.21±0.50 mS/cm) salinity tidal fields. The preliminary results indicated that, ‘Fengyou 737’, ‘Huayouza 95’, ‘Naiyan 1’ and ‘Yanyouza 3’ performance tolerant and harvested 2250 kg/hm2 in tidal field with salinity of 1 mS/cm, and almost lost in the tidal field with 2 mS/cm salinity. Wild mustard materials selected from the coastal beach exhibited stronger salt tolerance, grow normally on EC1:5 2.36 mS/cm beach, can be used for improving the salt tolerance of Brassica napus.

  Effect of Inoculated Funneliformis mosseae on the Content of Isoflavone and Fatty Acid in the Continuous Cropping of Soybean 2015, 5 (4):  31-35.  DOI: 10.11923/j.issn.2095-4050.2014-xb0948 Abstract + ( 1124 )   PDF ( 1444KB )   ( 1102 ) The study aim to explore the effect of inoculated F. mosseae on the content of isoflaone and fatty acid. in order to provide the theoretical evidence using F. mosseae to the continuous cropping. Three soybean cultivars KF16 (middle cultivar), HN44 (high-oil cultivar), HN48 (high-protein cultivar) were investigated. The soybean seeds use 0-year soil samples (CK), 1-year soil samples (L1) and 2-year soil samples (L2) planted in the pot with 12.5 kg dry soil sample and inoculated 200g F. mosseae into each pot. The accumulation of the mature soybean isoflavone and fatty acid was determined by ultraviolet spectrophotometry and gas chromatography. It showed that: the highest isoflavone content of KF16, HN44 and HN48 was L1, L2 and L2, respectively. And with the increase of continuous cropping, the fatty acid content of KF16, HN44 and HN48 is decreasing. Inoculated F. mosseae could increase the content of isoflavone and decrease the content of fatty acid.

  Toxicity Comparison of Ten Fungicides to the Pathogen of Cineraria Sclerotinia Rot 2015, 5 (4):  36-39.  DOI: 10.11923/j.issn.2095-4050.2014-xb0856 Abstract + ( 1219 )   PDF ( 1236KB )   ( 1102 ) The study aimed to acquire the high efficiency fungicides to the pathogen of cineraria sclerotinia rot..The susceptibility of Sclerotinia sp. isolated from cineraria on ten fungicides was tested using the mycelium growth rate method. The results indicated that, the pathogen had high sensitivity to the traditional organic sulfur fungicides, among them the toxicity of thiram with the EC50 value was 0.8742 μg/mL to Sclerotinia sp. and EC90 value was 19.4750 μg/mL. While the inhibitory activity of mancozeb was lower than thiram. For the modern selective fungicides, the susceptibility of fungicides declined following the order of prochloraz, difenoconazole, procymidone, iprodione tebuconazole, myclobutanil, triadimefon and azoxystrobin. Among them, the triazole fungicides prochloraz had the highest activity to the pathogen and the EC50 value was 0.0418 μg/mL and EC90 value was 0.3138 μg/mL, respectively. Similarly, in the kind of two methylimide fungicides, the procymidone had the highest activity to the pathogen and the EC50 value was 0.2113 μg/mL and EC90 value 0.5889 μg/mL. While the inhibitory activity of azoxystrobin was the lowest with the EC50 was 7.6224 μg/mL and EC90 59.5022 μg/mL. Therefore, prochloraz and procymidone had higher toxicity to the pathogen of cineraria sclerotinia rot and could be recommended as the alternatives for the control of the disease. Furthermore, the reasonable blending of protective fungicides and selective fungicides was advocated for improving the control effect.

  Inhibitory Effects and Synergistic Research of Prochloraz, Thiram and Their Mixtures on Gibberella zeae in Wheat 2015, 5 (4):  40-43.  DOI: 10.11923/j.issn.2095-4050.2014-xb0746 Abstract + ( 1202 )   PDF ( 1394KB )   ( 1337 ) Aiming to exploit a new pesticide mixtures to controlGibberella zeze in wheat, the inhibitory effects and synergistic research of Prochloraz, Thiram and their mixtures on Gibberella zeze were measured. The toxicities of Prochloraz, Thiram and their five mixtures toGibberella zeze in wheat were determined by the method of mycelial growth rate. The results showed that, the EC50 of Prochloraz, Thiram and their mixtures at the ratio of 1:0.5, 1:1, 1:1.5, 1:2, 1:2.5 onGibberella zeze were 0.2655, 0.2001, 0.3462, 0.6298, 0.8295 mg/L, respectively. The synergy coefficients of these five mixtures onGibberella zeze were 1.4729, 2.5540, 1.8086, 1.1475, 0.9975, respectively. Among them the synergistic effect of the mixture at the ratio of 1:1 and 1:1.5 had the significant efficiency effect, and the ratio of 1:1 was the greatest.

  The biological characteristics and Application effect of osmia bees on hybrid Rape production 2015, 5 (4):  44-47.  DOI: 10.11923/j.issn.2095-4050.2014-xb0692 Abstract + ( 1029 )   PDF ( 1325KB )   ( 1163 ) In order to solve the problem of low efficiency and poor quality in hybrid seed production of rape seed, application of Osmia auxiliary pollination on the production. Based on studying the biological characteristics of Osmia and its application in rape seed (Brassica campestris L.) pollination, we find that Osmia activity cycle had a good match with rapeseed flowering time. It’s not only suit for large area rape seed production, but also suit for small net tent application. It would be a good method for improving the quality and quantity of rape seed hybrid output, can effectively solve the difficult problems of mix, work hard and low seed setting rate in the hybrid production process, with 10-15 Osmis in every square meter, and the nest box under the condition of 1.0-1.5 m height.

  The effect of N,P,K and micronutrient fertilizer about S, Zn regulation on maize yield after land consolidation in the west of Jilin Province 2015, 5 (4):  48-51.  DOI: 10.11923/j.issn.2095-4050.2014-xb0344 Abstract + ( 971 )   PDF ( 1369KB )   ( 1036 ) In order to solve the problems of low soil fertility, nutrient unbalance, the weak ability of comprehensive production of maize after land consolidation in the west of Jilin Province. The experiment by several main maize fertilizer level, determined the relationship between fertilizer and maize production through mathematical model and the best fertilizer rate of various kinds of fertilizers. The results of field experiment showed that: the application model of N, P, K and the micronutrient fertilizer about S, Zn were in line with the quadratic curve y=ax2 bx c after land consolidation. Using the model, considering the amount of application and maize yield, we had cleared about the application rate of N, P, K and the micronutrient fertilizer about S, Zn at the maximization of maize production. That was N: 198.02 kg/hm2; P2O5:107.36 kg/hm2; K2O: 75.32 kg/hm2; S: 48.72 kg/hm2; Zn: 38.35 kg/hm2.

  Ecological Environment Construction and Sustainable Development of Minqin Oasis 王理德,,韩福贵,,, and 2015, 5 (4):  52-57.  DOI: 10.11923/j.issn.2095-4050.2014-2598 Abstract + ( 1231 )   PDF ( 1346KB )   ( 1287 ) Minqin oasis in the lower reaches of Shiyang River is the main nature barrier for Wuwei Basin. Nearly half of a century, because of double influence of human activity and natural factor, quantity of water in the lower reaches of Shiyang River decreased and ecological environment deteriorated, which influenced sustainable development of this area and surrounding area seriously. The author analyzed the current situation and reason of deteriorated ecological environment in this study. It showed that water must be the centre for control of ecological environment. Development step of water saving agriculture in middle reaches of Shiyang River should be increased. The lower reaches must have certain quantity of water. Unreasonable human activity must be controlled strictly. Minqin oasis was tried to realize virtuous circle of ecological environment.

  Evaluation of Ecological Bearing Capacity in Henan ProvinceBased on Ecological Footprint 朱嘉伟 2015, 5 (4):  58-63.  DOI: 10.11923/j.issn.2095-4050.cjas14100045 Abstract + ( 1105 )   PDF ( 1384KB )   ( 1409 ) In order to analyze the changes of ecological bearing capacity in the years of 2000-2010 in Henan province, This paper applied the ecological footprint method, using the data of three periods,2000,2005 and 2010, analyzed per capita ecological footprint, ecological supply and per capita ecological deficit and per capita ecological carrying capacity index .The results show that: (1) the per capita ecological footprint in Henan Province increased sharply from 0.8288 hm2 in 2000 to 2.0368 hm2 in 2005, while declined to 1.8739 hm2 by 2010; (2) the per capita ecological supply between 2000 and 2010 reduced year by year ,which dropped from 0.3994 hm2 to 0.3667 hm2,And the per capita ecological deficit added drasticly from 0.37 hm2 in 2000 to 1.61 hm2 in 2005 while decreased to 1.46 hm2 by 2010;(3) ecological bearing capacity index are all greater than 1, which are in a state of overload. As the change of economic growth mode, the situation eased somewhat although it is still in a state of overload.

  Effect of Seawater Stress on the Seed Germination of Two Ecotypes of Portulaca oleracea 2015, 5 (4):  64-67.  DOI: 10.11923/j.issn.2095-4050.2014-xb0670 Abstract + ( 1046 )   PDF ( 1382KB )   ( 1118 ) To study 2 ecotypes of Portulaca oleracea seeds’‘( Dahua’and weed) tolerance to saline and alkaline land, effect of different seawater concentrations on the germination of 2 ecotypes of P. oleracea seeds and their root and shoot length were studied. The results showed that: at the low seawater concentration (0-10%) the seed germination of 2 ecotypes of P. oleracea had no obvious difference. The concentration of above 10% significantly inhibited the seeds germination. When the concentration reached 50%, the seed germination of 2 ecotypes of P. oleracea was seriously inhibited. At per concentration of seawater, the germination rate, vigor index, germination index and root and shoot length of‘Dahua’P. oleracea were all higher than that of weed P. oleracea, indicating higher tolerance of seawater stress.

  Effects of Interaction between Nitrogen Application Rate and Planting Density on Growth, Yield and Quality of Flue-cured Tobacco 2015, 5 (4):  68-72.  DOI: 10.11923/j.issn.2095-4050.2014-xb0880 Abstract + ( 987 )   PDF ( 1354KB )   ( 1224 ) A field experiment was conducted using split-plot experiment design i.e. three regimes of planting density as main plots and nitrogen rate as sub-plots to investigate the effects of interaction between nitrogen application rate and planting density on main growth time, agronomic characters, grain yield and quality of flue-cured tobacco to determine the optimum nitrogen application rate and planting density of ‘Liaoyan 17’. The results showed that both lower and upper leaf mature stage were put off under same nitrogen rate, with density increasing. In addition, the effects of different treatments on leaf area were larger, and under seam nitrogen rate conditions (exception to middle nitrogen group), lower leaf area increased first, and decreased later with density increasing. Under seam nitrogen rate conditions, yield, average price, output value, percentage of superior and medium tobacco decreased gradually, when density increased; with nitrogen rate increasing, yield increased, but average price declined gradually under same density conditions. On the consideration of comprehensive analysis, the responses from the nitrogen were greater than those from density and their interaction, and the appropriate density and nitrogen rate for ‘Liaoyan 17’ were 15000-17250 plants/hm2 and 60.0-75.0 kg/hm2 respectively, which can improve growth and development resulting in better yield and quality of flue-cured tobacco based on the interaction between density and nitrogen rate.

  Landscape Characteristics of North American Holly and Its Application 2015, 5 (4):  73-76.  DOI: 10.11923/j.issn.2095-4050.2013-xb0913 Abstract + ( 1374 )   PDF ( 1484KB )   ( 2199 ) North American holly is a famous landscape ornamental tree species, which is different from other hollies (the evergreen tree). It was a globular, upright, autumn and winter deciduous, medium-sized shrub. It bore white inconspicuous flowers in spring, which were followed by dense clusters of bright red berries that remain on the branches throughout winter. It was a winter branches cutting, landscaping and potted excellent ornamental tree. The author summarized the ornamental and landscape characteristics, cultivation, and prevention and control of diseases, and put forwarded the application ways of holly in landscape and some considerations when choosing male and female partners for the landscape.

  The Utilization of Native Plants on Vegetation Restorationin Yulong Mountains, Yunnan 和志娇,李燕,杨洪涛, and 2015, 5 (4):  77-84.  DOI: 10.11923/j.issn.2095-4050.casb14100121 Abstract + ( 1043 )   PDF ( 1396KB )   ( 1400 ) The paper aims to the utilization of native plants on vegetation restoration and landscaping in Yulong Mountain, Yunnan. Based on the research on the acclimatization, adaptation and utilization of native plants for vegetation restoration in Yulong Mountains in the past 5 years, 143 adaptive and ornamental native plants (there were 53 species trees, 40 species shrubs, 45 species herbs and 5 species vines) were selected and assessed. The results indicated these native plants had a promotion for the vegetation restoration and landscaping in Yulong Mountains, and could provide references for other areas with similar environment.

  Study on the Leguminosae Forage Plant Resource in Henan 2015, 5 (4):  85-89.  DOI: 10.11923/j.issn.2095-4050.2014-xb0755 Abstract + ( 995 )   PDF ( 1304KB )   ( 1064 ) Henan Province was located in the North-South climate transition zone, and the studied of plants flora have exclusive geographical significance. Through investigation and statistics of natural legume forage species, in order to effectively exploit the regional forage legume resources, it was analyzed that the family and genera composition and the geographical elements and the feeding value analysis in Henan. The results showed that, there were 136 species of natural plants, which belonged to 41 genera in Henan. Among them, the main body form of the local legume forage flora was the dominant genera and the few genera, which the flora advantage phenomenon was very obvious. The two generas were 60.97% of the total generas number and 81.62% of the total species number. In the geographical elements of the plants flora, the temperate zone and the tropic with genera distributional type were in a dominant position, which expresses the adaptable characteristics between the distribution of flora and the climate zone. There was good value to leguminous forage in Henan, the exceptional and the moderate was 89.71% of the total species. The inferior and the poisonous was 10.29%. Some suggestions were put forward on their utilization and protection.

  TheSResearchSofSPhotosyntheticSPhysiologicalSCharacteristicsSofSAltingiaSGracilipesSDuringSSeedlingSStage 2015, 5 (4):  85-89.  DOI: 10.11923/j.issn.2095-4050.cjas14120024 Abstract + ( 1014 )   PDF ( 1304KB )   ( 877 ) #$NL#$NL:STheSLCPRO SPortableSphotosynthesisSmeasuringSsystemSwasSusedStoSmeasureSandSanalyzeStheSdailySchangesSofSphotosyntheticSandStheSlightSresponseSofSAltingiaSgracilipes,SandStheSresultsSshowSthat:STheSdiurnalSvariationScurveSofSAltingiaSgracilipes’SnetSphotosyntheticSrateS(Pn),StranspirationSrateS(Tr),SstomatalSconductance(SGs)SallSappearedSasSsingleSpeak,SshowedSnoneSofS“middaySrest”Sphenomenon.STheSmaximumSofSdiurnalSvariationSofSwaterSuseSefficiencyS(WUE)SandSlimitingSvalueSofSstomataS(Ls)SasSaScurveScameSoutSinS9am,SandSdecreasedSrapidlySsinceS5pm.STheSdiurnalSvariationSofSintercellularSCO2SconcentrationS(Ci)SasSaScurveStendStoSbeStheSexactScontraryStoSthatSofSLs.SPnSshowedSaShighlySsignificantSpositiveScorrelationSwithSphotosyntheticallySactiveSradiationS(PAR)SandSTr,SandSaShighlySsignificantSnegativeScorrelationSwithSCi,SratherSthanSotherSfactors,SPnSconnectedSmoreSobviousSwithSitsSinsideSownSfactors.SAltingiaSgracilipesShasShighSlightSsaturationSpointS(LSP),SlightScompensationSpointS(LCP),SandSapparentSquantumSyieldS(AQY),SknownSasSaSkindSofStypicalSheliophilousStreeSspecies.SAltingiaSgracilipesShasSaSstrongScapabilitySofSmakingSuseSofShighSlight,SasSwellSasSaShighSefficiencySofSusingSlowSlight,SperformsSgoodSenvironmentalSadaptability.#$NL#$NLKeywords:AltingiaSgracilipes;SphotosyntheticScharacteristics;SdiurnalSvariation;Sphotoresponse

  Discussion of the 3X3 Architecture about Agricultural informationization 陶红燕 and 胡慧 2015, 5 (4):  97-102.  DOI: 10.11923/j.issn.2095-4050.2013-xb0131 Abstract + ( 1060 )   PDF ( 1328KB )   ( 1059 ) At present, with the rapid development of information technology, the level of informationization of all walks of life is increasing. Agriculture is the foundation of the national economy in China, so its informationization construction is bound to affect the advancement of informationization of the whole society. In this article, according to the production process, more detailed analysis of agricultural informationization is proposed by divided into before production, intermediate production and post production informationization, which are also divided into three small parts each. We called this classification method the 3X3 architecture of agricultural informationization. Then the author gave a specific and multi-angle elaboration of the architecture and pointed out that the all three stages of agricultural informationization are interrelated, indivisible and mutual promotion. Dealing with those aspects of agricultural informationization well, and and the promotion of the process of agricultural informationization scientifically can make contribute to the realization of agricultural informationization in China. Finally, with the comprehensively promotion of the agricultural informationization, a new conception emerged just the time—the new agricultural. It is our goal to make this ‘new agricultural’ come true and we all have the duty to strive for it.

  Design and Implementation of Agricultural Land Circulation Platform Based on J2EE 李英杰 and 夏卫生 2015, 5 (4):  103-110.  DOI: 10.11923/j.issn.2095-4050.2014-2586 Abstract + ( 1092 )   PDF ( 2475KB )   ( 883 ) As agricultural land circulation was becoming more frequent, demands of land circulation information have become increasingly high. And the supervision and approval of the government departments also need higher requirements. To accelerate the reasonable transfer of agricultural land, we designed the platform with modern information technique. Efficient and smooth circulation is a crucial factor in improving the efficiency of agricultural land use and household incomes. Through analyzed the status quo of agricultural land transference and guided by practicability of platform construction, the author established agricultural land circulation systems of B/S structure based on J2EE technology. In this process, the network technology, computer programming and database technology were applied. The functional structure was programmed firstly, and then the system flow and database structure were designed appropriately. This system achieved the following functions: the registration of agricultural land information and its automatic updating, which can guarantee the symmetry of circulation information and smooth the information channels. The system established an administrator-track management mechanism of circulation business. It achieved a complete succession of business process of circulation, which including the administrators approval at all levels and contracts filing business, and all of these would improve the management efficiency significantly.

  Preliminary Study on the history of bast fiber weaving in Guangxi 2015, 5 (4):  111-114.  DOI: 10.11923/j.issn.2095-4050.2014-xb0715 Abstract + ( 962 )   PDF ( 1088KB )   ( 1234 ) This paper collated the history of cultivation and weaving of bast fiber based on the historical documents and excavation records. The history can be traced back to neolithic period and continuously developed. Bast fiber was universally adopted as textile material and the kinds are various including Cannabis sativa, Boehmeria nivea, Corchorus capsularis and Musa textilis. The technique was mature including material selecting, degumming,weaving and etc. The materials were Boehmeria nivea and Musa textilis during Song Dynasty. The cloth was famous for tributes and commodity which boost the development of the society economy. This article traced the history of bast fiber in Guangxi and was aimed to have a profound understanding on the ancient textile and social economy of Guangxi.

  Study on the Protection of Law in Valley Economy 2015, 5 (4):  115-121.  DOI: 10.11923/j.issn.2095-4050.cjas14120026 Abstract + ( 1078 )   PDF ( 1162KB )   ( 1089 ) To clarify the inner relation between the valley economy and rule of law, this article analyzed and discussed the core problems about the protection of law in valley economy. The necessity and importance of protection of law in valley economy which were contributed to enrich the theory system of valley economy were carried out theoretically through related explanation and demonstration. The practice of valley economic development in Beijing and related theoretical researches showed that there was obvious deficiency in the studies about the protection of law in valley economy. In this article, valley economy was regarded as an economical and social phenomenon and was reinterpreted using the method of whole explanation on the basis of the researches in the past from the perspective of social phenomenon and standardization of the system. Valley economy belonged to the rural economy in essence, and had the attributes of regional economy and intensive regional characteristics. On this basis, this article tried to settle the nomocracy meaning of valley economy and its objective demands to rule of law. At the same time, necessity of protection of law in valley economy and its two core issues which were the position and role of government and the rights protection of peasant were discussed. The important significances of theoretical researches about the protection of law in valley economy were clear through the argumentation and analysis.

  Construction and analysis of agricultural demonstration base in Pingtan Comprehensive Experimental Area 2015, 5 (4):  122-126.  DOI: 10.11923/j.issn.2095-4050.2014-xb0907 Abstract + ( 1109 )   PDF ( 1320KB )   ( 1160 ) This research used ecological economics and systems engineering method of circular agricultural, constructed cycle planting combined with breeding of agricultural demonstration base in pingtan comprehensive experimental area, Fujian. This base combined large and medium breeding base with planting base integrated and perfected through cycle agricultural engineering technique, constructed core area, expansion area and radiation area in order to realize complete each link in industry chain of anti-production, production and postproduction of agriculture production, energy saving and emission reduction from waste, value-added, the effective connection between planting and breeding industry, processing industry and different agricultural resource, achieved the organic unity of ecology, economy and society .At the same time the base innovative approach of agriculture sci-tech and management mechanism, highlighted the construction of "four platforms", improved and promoted integrated function of circular planting and breeding agricultural combined, agriculture sci-tech exchange and training, ecological agricultural sightseeing and agricultural culture, drived integrated development of modern agriculture, agricultural products processing industry and leisure agritourist, promoted agricultural regional economy and agricultural technology of pingtan comprehensive experimental area, played a better role in the cooperation and communication between Taiwan and Pingtan, served as a prior to carry and tried to the opening-up.

  Discussion on reuse of rural schools left unused--based on perspective of changes of rural population and improvement of service facilities 2015, 5 (4):  127-134.  DOI: 10.11923/j.issn.2095-4050.2014-xb0830 Abstract + ( 1213 )   PDF ( 1411KB )   ( 1218 ) Abstract: Because of fewer sources of students, almost half of middle and primary schools, which are mostly located in rural communities, become unused, with the efficiency of school reuse being not high. For purpose of reaching efficient reuse of unused schools, this paper uses the “big” time environment of population boom since the foundation of the state and rural demographic trends after reform and opening up, combines the “big” space environment of rural public service facilities establishment, proposes several issues, such as, demands of left-behind elderly and children need to be take into account for reuse of schools left unused, rural China speeds up facilities construction, overall urban-rural development, etc. Besides, some examples are adopted to refine reuse into forms such as nursing home, cultural funfair, home for left behind children, comprehensive community service center, etc, related to community retirement, medical treatment and culture experience.

  Research of Beijing ecological leisure-agriculture under the background of the integrative development of Beijing-Tianjin-Hebei. 2015, 5 (4):  135-140.  DOI: 10.11923/j.issn.2095-4050.casb14110069 Abstract + ( 1044 )   PDF ( 1368KB )   ( 1356 ) Abstract: This study, which treats the practical needs of the integrative development of Beijing-Tianjin-Hebei as the starting point and promotes the sustainable development of Beijing ecological leisure-agriculture as the foothold, illustrates the orientation of Beijing ecological leisure-agriculture under the background the integrative development of Beijing-Tianjin-Hebei. In addition, it analyzes the current problems of Beijing ecological leisure-agriculture. Such as oversupply of traditional farm tourism, the problems of environmental pollution, the lack of brand effect, a low degree of industry integration, etc. In view of the above problems, This paper puts forward the related suggestions concerning the development of Beijing ecological leisure-agriculture, including: to build the ecological integration of Beijing-Tianjin-Hebei, to develop ecological leisure-agriculture multiple themes, research of ecological leisure-agriculture creative products, the implementation of “community management”, these proposals provide scientific and powerful support for the development of Beijing ecological leisure-agriculture and the coordination of Beijing urban construction.