朝阳县波罗赤公社康家屯大队果园,从1964年开始,在果树趟子的空闲地里种植绿肥作物草木樨,年年保持草木樨面积约300亩。实践证明,果园种草,能肥田改土,壮树增产。康家屯果园每年可收割草木樨鲜草约70万斤,可解决3000多株果树用肥。在山坡薄地果 From 1964 onwards, the Orchard of Kangjiatun Brigade, Balochi commune, Chaoyang County, has planted green manure plants in idle fields in the fruit trees, and annually maintains the area of ​​about 300 mu. Practice has proved that orchards can grass, fertilizer field to soil, strong tree yield. Kangjiatun orchard can harvest about 700,000 pounds of fresh grass and mullet, can be used to solve more than 3000 trees with fertilizer. Thin fruit on the hillside