When spring soybeans are planted, new methods such as topping, lime application, increasing phosphorus and potassium fertilizers, and sodium spraying can significantly increase soybean production.
Picking Branches When the soybeans have two cotyledons, remove the unfolded leaves. After picking, the stem will grow double main branches at the base of the stem, and the nutrients can be transported to the new branches, which can promote the rapid growth of plants, stout stems, lush foliage. After picking it up, it can generally increase production by 20%.
Lime-calcium-growth-calcium-calcium is an indispensable nutrient element in the growth process of soybean. Increasing lime can promote plant growth and increase the number of scapes. Before blooming, when the surface soil is wet after the rain, 25 to 30 kg of lime is applied per 667 square meters, which generally can increase production by more than 15%.
Increasing phosphorus and potassium fertilizers to promote grain-reweight phosphorus and potassium can help normal soybean flowering and pollination, promote grain filling and increase grain weight. From flowering to podling, 20 kg of calcium phosphate and 6 kg of potassium chloride can be applied per 667 square meters, or 120 kg of potassium dihydrogen phosphate per 667 square meters, and 70 kg of water can be sprayed, which can increase production by 25%. If the leaves are yellow, add 0.5 kg of urea per 667 square meters. Spray once every 5 to 7 days, and spray 2 or 3 times.
Sodium production and precocity in the initial flowering period, 300 grams of sodium sulfite per 667 square meters, add water 60 kg spray, can reduce nutrient consumption, increase dry matter accumulation, early maturation 3 to 5 days. This method can generally increase production by more than 30%.
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