覆膜与氮肥对高粱生育时期、水分消耗及产量构成的影响

doi:10.11923/j.issn.2095-4050.cjas16010021

农学学报 ›› 2016, Vol. 6 ›› Issue (7): 6-12.doi: 10.11923/j.issn.2095-4050.cjas16010021

覆膜与氮肥对高粱生育时期、水分消耗及产量构成的影响

曹雄,黄敏佳,梁晓红,张瑞栋,刘静,李占林

山西省农科院经济作物研究所,山西省农科院经济作物研究所,山西省农科院经济作物研究所,山西省农科院经济作物研究所,山西省农科院经济作物研究所,山西省农科院经济作物研究所

收稿日期:2016-01-28 修回日期:2016-04-07 接受日期:2016-04-25 出版日期:2016-07-18 发布日期:2016-07-18
通讯作者: 曹雄 E-mail:cxxp1969
基金资助:
国家现代农业产业技术体系高粱产业技术体系汾阳试验站资金资助(CARS-06-04-06)；国家科技支撑计划课题“优质高粱高效生产技术研究与示范”(2014BAD07B02) 。

Effects of Film Mulching and Nitrogen Application on Period、Moisture Consume and Yield of Sorghum

Received:2016-01-28 Revised:2016-04-07 Accepted:2016-04-25 Online:2016-07-18 Published:2016-07-18

摘要/Abstract

摘要： 为了探讨不同高粱品种覆膜与施氮肥条件下对生育期、各生育时期的土壤含水量、产量及其构成因素的影响，试验以2个高粱品种‘晋杂34号’和‘晋杂35号’为试验材料，在山西省农科院经济作物研究所试验田研究了不同栽培措施（B1：覆膜，B2：不覆膜），不同施氮梯度（C1：0kg/hm2 N，C2：225 kg/hm2 N，C3：450 kg/hm2 N）下高粱各生育时期土壤含水量、产量及其构成因素的变化。结果表明：‘晋杂34号’、‘晋杂35号’以覆膜，施氮225 kg/hm2为合理的栽培措施。覆膜处理显著地缩短了高粱品种的生育期，高粱的生育期随氮肥施用量的增加呈先缩短后延长的变化趋势，覆膜栽培显著的提高了高粱的穗粒重和产量。高粱全生育期0~20 cm土层的土壤耗水较多；增施氮肥加大了土壤0~20 cm、20~40 cm土层的耗水量。该试验获得了高粱在覆膜和氮肥处理下生育特性、土壤水分，产量性状的变化规律，为旱作高粱的研究提供参考。

关键词: 近红外, 近红外, 定性分析, 定量分析, 茶叶

Abstract: Abstract: In order to explore the effects of film mulching and nitrogen application on growth period, growth stages,soil moisture content , yield and yield component factors of different sorghum varieties.The experiment with two sorghum varieties ‘JinZa No.34’ and ‘JinZa No.35’ was conducted to investigate the varieties of different cultivation measures (B1:film mulching and B2 no film mulching) and different nitrogen leveles(C1:0kg/hm2N. C2:225 kg/hm2N. C3:450 kg/hm2N) on soil moisture content of different growth stages,yield and its component factors of sorghum in the experimental plot of The Industrial Crop Institute of Shan Xi Academy of Agricultural Sciences,China.The results showed that film mulching and N fertilizer application amout of 225 kg/hm2 were the reasonable cultivation measure for ‘JinZa No.34’ and ‘JinZa No.35’.The growth period of sorghum was significantly shorted by the film mulching treatment which was firstly shorted and then lengthened with the increasing of N fertilizer.Film mulching significantly increased the spike grain weight and yield pf sorghum.The water consumption of 0—20cm soil layer was more during the whole growth period of sorghum and increasing N fertilizer could enhance the water consumption of 0—20cm and 20—40cm soil layers.The variational laws of growth and development characteristics,soil moisture and yield trait of sorghum under the film mulching and nitrogen application have been obtained by the experiment which would provide a reference for the study of dryland sorghum.

中图分类号:

S514

曹雄,黄敏佳,梁晓红,张瑞栋,刘静,李占林. 覆膜与氮肥对高粱生育时期、水分消耗及产量构成的影响[J]. 农学学报, 2016, 6(7): 6-12.

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覆膜与氮肥对高粱生育时期、水分消耗及产量构成的影响

Effects of Film Mulching and Nitrogen Application on Period、Moisture Consume and Yield of Sorghum

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