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Journal of Agriculture ›› 2014, Vol. 4 ›› Issue (2): 29-33.

Special Issue: 玉米

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Summer Maize Region 'Longping206' Technical Specification of High Yield Planting in the South Areas of the Yellow River, Huai and Hai Rivers Plain

  

  • Received:2013-11-18 Revised:2013-11-27 Online:2014-02-20 Published:2014-02-20

Abstract: This technical specification is based on ecological and climatic conditions and technology based on the Huaihe River in Huaibei, in order to further the main maize varieties production of the 'Longping206' common key technology research, integration of the South Areas of the Yellow River, Huai and Hai Rivers Plain summer maize high yield and high efficiency measures and technical standards, the 'Longping206' in the area of technical specification of high yield planting technology, in order to provide theoretical basis for the and supporting technology system as the main producing areas in Huaibei province corn I. The two times general revolving combination design and computer simulation and optimization method, the optimization of cultivation techniques of high yield in 3 years and create application, discusses the key factor in maize cultivation - density, N, K and yield regression relationship. The study results showed that: 'Longping206' high-yield group yield structure index was: harvested plants 60000-75000 plant per hm2; 500-650 grains per panicle, 1000 grain weight of 350-360 g, the average number of rows per ear grain number per row 15, 33-35, 160-220, G single grain weight per spike, spike length 16-18 cm. 'Longping206' planting density and N, K and cultivated technique: yield of 9750-10725 kg/hm2, requirement of the pure nitrogen application rate was 247.5-306 kg/hm2, K was 261.3 -315.9 kg/hm2 or 540 kg/hm2 urea, 450 kg/hm2 K2SO4. This code specifies requirements for a 'Longping206' varieties suitable for ecological and climatic conditions, yield and index of population structure, technical route, high-yield cultivation techniques, field management, harvesting techniques; puts forward 75000 kg/hm2 to 11250 kg/hm2 yield and population structure index; specific agronomic plan: determine the appropriate ecological planting time, deep circumflex type the fertilizer sowing technology, integration, high density, fertilization, pest control, timely late harvest.