Spraying paclobutrazol on high soil fertility and strong soybean growing field can use 15% paclobutrazol powder 40g at the initial flowering stage and spray 50kg watering, which can promote the thickening of the soybean plant stalk, generally increasing the yield by 15%-20%. . Sodium hydrosulfite sodium bisulphite is a photorespiration inhibitor. Foliar application of sodium bisulphite on soybean leaves can reduce the consumption of photosynthetic products and thus increase the grain weight. The plots with higher fertility and prosperous soybeans can increase production by 10%-15%. 4 grams of sodium bisulfite per acre, watered 25-30 kg, sprayed at the beginning of flowering, sprayed once every 7 days, and even sprayed 2-3 times. Picking the top of the heart to plant an infinitely scrambled soybean variety or densely planted soybeans will result in a prolonged growth if the soil has high fertility. Artificially removing the soybean core can inhibit its leggy, thicken soybean leaves, reduce plant height, and increase the number of scabs per plant. In the initial flowering period of soybean and 5-7 days after it, the top of the main stem of soybeans can be removed by 2 cm.
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