There are ways to increase the yield of autumn soybeans

First, take heart and promote branching. When the autumn soybeans grow two cotyledons, the unextended true leaves are removed (called seedling topping), and after that, the "double main strains" grow quickly at the base of the stem base. At the same time, picking up the heart can concentrate nutrition on new branches, promote growth, thick stems and lush foliage. Practice has shown that seedlings can generally increase production by 18.5% to 25.6%.
Second, increase the use of lime flowers. Calcium can effectively promote plant robustness, increase the number of calyx, and generally increase production by 12.5% ​​to 18.3%. About 10 days before flowering, the Mushi lime powder is 25-30 kg, which is applied before and after the rain to facilitate absorption.
Third, increase phosphorus and potassium to promote grain weight. During the flowering period to the end of the harvest, Mushi produced 15 kg of superphosphate and 5-6 kg of potassium chloride, or 120 g of monopotassium phosphate and 70 kg of water. If the leaf color is too yellow, urea 0.5 kg mixed spray, spray once every 5 to 6 days, continuous spray 2 times, the effect of increasing production is good.
Fourth, sodium sulfite increased production. In the initial flowering period, 120 grams of sodium sulphate per acre and 70 kilograms of water are sprayed to inhibit photorespiration, thereby reducing excessive consumption of photosynthetic products and increasing dry matter accumulation, which can generally increase production by 8.2% and promote early maturation. 3 ~ 5 days.
Fifth, spraying agricultural rare earth. Spraying agricultural rare earth can generally increase production by 7% to 8%. Application methods include seed dressing and foliar spray. One kilogram of rare earth with 2 grams of mixed use; foliar spray at the seedling stage and the initial flowering time of a spray, the concentration was 160ppm and 250ppm, and strive to spray evenly. Spraying on the evening is better.

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