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夏玉米︵大豆︶免耕覆盖精量播种应用技术国营博爱农场张军成郭凤升李立平河南省农校张建学博爱农场现有耕地面积１３０００余亩，１９９１年以前秋粮生产是采用传统的犁、耙、播等栽培方式，复播面积只有３０－４０％，而且产量较低，６０－７０％的面积在秋季不能利用，...
Summer maize (soybean) No-tillage coverage of precision sowing technology State-owned love farm Zhang Juncheng Guo Fengsheng Li Liping Henan Agricultural School Zhang Jianxue Bo love farm existing farmland area of more than 13000 acres, autumn grain production before 1991 is the use of traditional cultivation, such as plow, rake, sowing Way, the multiplexed area only 30-40%, and the yield is lower, 60-70% of the area can not be used in the fall, ...