Spring corn transplanting soybeans
With the utilization of light and heat resources from spring maize to autumn sowing before 60 days, transplanting and planting a cooked soybean will produce 210 kilograms of soybeans per acre. Compared with the conventional intercropping soybeans in the corn field, the soybean yield will increase by 130 kilograms and the maize yield will increase. 160 kilograms. When the first year of autumn sowing, it should be 3.6 meters wide. In the middle and late October, 6 to 7 rows of rapeseed should be planted every time. The spacing should be 0.5 meters or more. In the middle of April of the following year, intercropping corn in rapeseed rows with a spacing of 0.8-0.9 meters. From June 15 to 18, plant soybean seedlings. Select varieties of big rot beans and green tea beans that are sensitive to short days, use open space or other crops to open 8 cm wide sowing channels for seeding, separate grains, and plant seeds of 30 to 35 grains per meter. ~ 60 days transplanting. When transplanting, the soybean seedlings should be as high as 0.5 meters or more, with thick stems, no lodging, and 8 to 10 true leaves. Soybean transplanting period as early as possible, and strive to plant early seedlings, the use of corn seedlings transplanting shading moisturizing, stable seedlings and other natural conditions to promote early-onset. Generally in early August, the corn is transplanted 10 days before the harvest. In each corn row, two rows of soybeans are planted and transplanted in rows. The row spacing is 0.5 meters, and the spacing is 0.2 meters. Soybeans should be applied to the base fertilizer before transplanting, 25 kg of calcium phosphate, 15 kg of urea, or 25 to 30 kg of 45% compound fertilizer per mu. Early autumn drought, with 0.2% potassium dihydrogen phosphate solution spray, 2 to 3 days once, and even spray twice. Pay attention to the control of leafhoppers, red spiders and other pests in the later period.