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一、试验目的测定江苏棉一号与玉米烟三六号、京早二号、新双一号间作的适应性、生育特点及增产效果,为大面积推广提出依据.二、试验设计试验地面积6亩,土质夹沙黄,前茬蚕豆.试验分三个处理,分别以江苏棉一号与烟三六号、京早二号、新双一号间作.玉米行距全部为7.2尺,种植方式为单行双株,株距6寸,每亩密度2777株.玉米行间种棉花4行,棉花平均行距1.8尺,株距6.9寸,每
First, the purpose of the test To determine the adaptive and reproductive characteristics of Jiangsu Cotton One and Maize No.36, Beijing-Zao No.2 and Xin-Shuang-No.1, and to provide the basis for large-scale promotion. 2. Experimental Design The test area 6 acres of soil sand sand folder, the former crop beans .Test divided into three treatments, respectively, Jiangsu cotton and tobacco on the 36th, Beijing early on the 2nd, the new double intercropping. Corn row spacing of all 7.2 feet, planting methods For a single double strain, 6-inch spacing, density of 2777 plants per acre. Between rows of cotton 4 lines of cotton, cotton average spacing of 1.8 feet, spacing 6.9 inches, each