种植绿肥　以园养园果园间作绿肥是改善土壤理化性质、提高肥力、以园养园的重要措施。在华东地区，秋播绿肥有苕子、豌豆、蚕豆等。豌豆如早播还可于秋末初冬收青豌豆，待刈割再播紫云英、黄花苜蓿等。夏绿肥可种印度豇豆、爬豆、绿豆、秣食豆、田菁、柽麻等。田菁、柽麻... Planting green manure to park green garden orchard green manure is to improve the physical and chemical properties of the soil, improve fertility, an important measure to park garden. In east China, autumn sowing greens have prickly heat, peas, beans and so on. Peas, such as early sowing can also be harvested in the early fall of late autumn pea peas, to be mowing replanted aspen, alfalfa and so on. Summer green manure can India Indian cowpea, bean crawling, mung bean, soy beans, Sesbania, Abutilon and other. Tian Jing, Ma flaxen ...