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红壤是我国重要土地资源,遍于南方15个省(区),占全国土地面积22.7%,种好绿肥是红壤改良,防止水土流失的重要手段和有效措施。由于红壤地形复杂,各地水源条件不尽相同,因此必须走绿肥多品种的道路,以适应红壤不同生态条件的需要。苏箭3号是江苏省农科院土肥所近年选育的箭筈豌豆新品种,它成熟期与6625相近,比大荚箭筈
Red soil is an important land resource in China. It is found in 15 provinces (autonomous regions) in the south and accounts for 22.7% of the total land area in the country. Planting good green manure is an important means and an effective measure to improve red soil and prevent soil erosion. Due to the complex terrain of red soil and the different water conditions in different places, it is necessary to follow the path of many varieties of green manure in order to meet the needs of different ecological conditions of red soil. Soviet Arrow 3 is a new breed of arrowhead pea cultivated in recent years by the Institute of Soil and Fertilizer of Jiangsu Academy of Agricultural Sciences. It is similar in maturity to 6625,