效益双千的几种栽培模式１．粮粮型。主要栽培模式有两种：一是小麦、大豆一体化种植，上茬小麦，下茬大豆；二是小麦、玉米一体化栽培，上连小麦、下茬玉米。重点在冀中南部推广．２．粮棉型．主要栽培模式是粮棉一体化栽培，上茬小麦，下茬棉花．重点在＂三八＂线以南高... Two thousand benefits of several cultivation modes 1. Food-based. There are two main cultivation modes: one is the integrated cultivation of wheat and soybeans, the last crop of wheat and the second crop of soybeans; the second is the integrated cultivation of wheat and corn, and even the wheat and the next crop of corn. Focus on the promotion of southern Jizhong. 2. Grain cotton type. The main cultivation mode is the integration of grain and cotton cultivation, the previous crop of wheat, the next crop of cotton. Focus on the “March” line south of high ...