引言豫东平原人多地少,土壤肥沃,气候条件优越,适宜多种粮、经、瓜、菜的生长。目前种植的粮食作物以小麦、玉米为主,经济作物以棉花、花生为主。地处豫东平原的周口地区常年麦棉套种面积达到300万亩,占全区麦播面积的30％以上,全区概算:麦棉套种的农田,小麦单产一般在250公斤左右,棉花单产在60～75公斤,亩经济效益可达600～700元。近 Introduction Many people in the eastern Henan Plain less fertile soil, superior climatic conditions, suitable for a variety of food, by, melon, vegetable growth. The current crop of crops to wheat, corn-based, cash crops to cotton, peanut-based. Zhoukou area is located in the eastern Henan Plain perennial wheat and cotton covering an area of ​​300 mu, accounting for more than 30% of the area of ​​wheat sowing area estimates: cropland wheat and cotton intercropping, wheat yield is generally about 250 kg, cotton yield 60 ~ 75 kilograms, economic benefits of up to 600 ~ 700 yuan. near