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Chinese Agricultural Science Bulletin ›› 2016, Vol. 32 ›› Issue (33): 70-74.doi: 10.11924/j.issn.1000-6850.casb16070031

Special Issue: 玉米 小麦

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Limiting Factors and High-yield Technologies of Direct-seeding Summer Maize on Wheat Stubbles

  

  • Received:2016-07-07 Revised:2016-08-20 Accepted:2016-09-18 Online:2016-11-25 Published:2016-11-25

Abstract: To explore the limiting factors and high-yield technologies of direct-seeding summer maize on wheat stubbles, this paper summarizes the production situation and main problems existing in the production of Huang-Huai-Hai summer maize, and analyzes the high-yield limiting factors, including thin plough layer and poor soil physical and chemical properties, poor sowing quality and serious sprout deficiency, unreasonable inputs of water and fertilizer and low fertilizer use efficiency, frequent disasters and poor stable yield, earlier harvest in summer maize production. Combining with the existing works, this paper puts forward technical strategies as follows: (1) deep tillage and direct straw returning; (2) reasonable compact planting and improving quality of sowing; (3) balanced fertilization based on soil nutrient and demand of maize; (4) the adversity resistance by intercropping different genotype maize and comprehensive prevention of insects pests and grass disaster; (5) delay the time of harvest.

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