为使春夏之交蔬菜淡季不淡，我县从黑龙江省引进特早熟毛豆新品种“黑河4号”。经四年试验示范，面积不断扩大，效益不断提高。为进一步扩大在我省种植面积，达到北豆南植之目的，现就有关简易栽培技术以飨读者。一、特征特性“黑河4号”，一般株高40～45厘米，主茎节位7～8节 In order to make the spring and summer vegetable off-season is not short, my county from Heilongjiang Province, the introduction of special new varieties of early maturing soybean “Heihe No. 4.” After four years of trial and demonstration, the area has been continuously expanded and the benefits have been continuously raised. In order to further expand the area planted in our province and achieve the goal of planting northern Peasants, we are now asking readers about simple cultivation techniques. First, the characteristics of “Heihe 4”, the general plant height of 40 to 45 cm, the main stem node 7 to 8