一、间作套种新模式的由来方城县位于河南南阳盆地，是全国小麦商品粮基地县。耕地面积１０万ｈｍ２，年麦播面积６６７万ｈｍ２。由于该县工业基础薄弱，非农产业又不发达，因而广大农民对农业丰欠、耕地产出变化有更大的依赖性。长期以来，人们一直在寻求建立一种高产... First, intercropping new paradigm of the formula Fangcheng County is located in Henan Nanyang Basin, is the national grain base of wheat grain counties. Cultivated land area is 100,000 hm2, and annual sowing area is 66,700 hm2. Due to the weak industrial base and underdevelopment of non-agricultural industries in the county, the vast majority of peasants rely more on the abundance of agriculture and the changes in the output of arable land. For a long time, people have been seeking to establish a high yield ...