粮(棉)肥间作套种是用地与养地相结合的增产措施。目前我区几种粮(棉)肥间作套种的方法都获得好的增产效果,现简介如下。(一)两粮一肥兖州县黄屯公社蒋屯大队涝洼黑土瘠薄地,小麦收后种玉米,以2.7米为一带,小麦畦背上种两行玉米,行距40厘米,每亩1400株,畦内播种5行绿肥(绿豆或田菁),宽150厘米,玉米与绿肥同时播种,玉米至绿肥空幅80厘米;以2.7米为一带种4行 Intercropping of grain (cotton) intercropping is the stimulation of production by the combination of land and raising land. At present, several grain-cotton intercropping methods in our region have obtained good yield-increasing effects. The brief introduction is as follows. (A) of a grain and fertilizer Yanzhuang Huangtun commune Jiangtun Brigade Waterlogged black barren barren land, wheat collection of maize to 2.7 meters for the area, the back of the wheat planted two rows of corn, spacing 40 cm, 1400 acres per mu , Sowing 5 lines of green manure (mung bean or Sesbania), width 150 cm, corn and green manure sowing at the same time, corn to green manure 80 cm; to 2.7 meters for a belt 4 lines