果树复合群体高能高效研究

对高原旱地幼龄果园间作种类、效益及其调控技术进行了详细研究。结果表明，幼果树套种不同的作物经济效益不同，且套种作物的产量和经济效益随着果树成为果树复合群体的优势种而逐年降低；一般种植瓜菜、棉花、甘薯经济效益高，种植小麦、花生经济效益低

A Study on High Yield and High Efficiency of Compound Colony of Fruit Trees

Intercropping types, their economical benefits, and adjusting techniques of arid young apple orchard in high land were studied. The results showed that in young apple orchard, different intercropping crops gave different economical repay, the yield and economical benefits of intercropping crops decreased as the fruit trees took the dominant position in the compound colony year by year. Generally, to plant melons, vegetables, cotton, or sweet potato can get higher economical benefits than wheat and peanut.