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利用覆膜小麦收后的残膜发展玉米生产,是提高玉米产量的良好途径之一.特别是在旱地和扬浇地于小麦收获和田间作业时,应尽力保护好地膜,以备夏播玉米继续发挥作用.河北省井陉县近两年来采取该项技术种植玉米,平均亩增产 50kg.其要点有： 1选用良种 选用丰产性好的中早熟品种.如
One of the good ways to increase corn production is to develop maize production by using the residual film that is covered by the mulched wheat, especially when it comes to wheat harvesting and field work in drylands and raisins, and should be done to protect the mulch in preparation for summer sowing of corn Continue to play a role.Jingxian County, Hebei Province in the past two years to adopt the technology to grow corn, the average yield of 50 kg mu. The main points are: 1 Selection of elite varieties of good middle-aged varieties of good yield, such as