苹果园施用堆肥是自古以来的传统方法,堆肥是一种完全性肥料,并具有综合改良土壤的效果。但是堆肥的投入,在当今日本“农、畜”分营的情况下,充分满足苹果园的需要是困难的。为了补充苹果园的土壤有机质,生草是必要的。青森县苹果试验场的苹果园生草,每年割草4-5次,地上部分,平均产干草500-600 Composting is a traditional method of applying compost in apple orchards since ancient times. Composting is a complete fertilizer and has the effect of synthetically improving the soil. However, in the case of Japan’s “farming and livestock” sub-contractors, it is difficult to fully meet the needs of apple orchards because of the compost investment. In order to supplement the apple orchard soil organic matter, raw grass is necessary. Aomori apple test field apple orchard grass, mowing 4-5 times a year on the ground part of an average yield of hay 500-600