Black soybeans are also known as black pearls and black-skinned green meats. They have high protein and fat content and are rich in vitamins and trace elements. In addition to the characteristics of eating ordinary soybeans, there is still a high medicinal value, long-term consumption can soften blood vessels, prevent and treat a variety of diseases, strong body and strong body, it has the reputation of strong beans. Black soy and black, green, high-nutrition health products in one, favored by consumers.
I.Characteristics: Black soybean growth period is about 130 days, plant height is 90 cm, indefinite knot habit, main stem branching is 7-10, plants are fan-shaped, flowers are dense and dense, single plant is effective èš150-160, Up to 300; more than 3-4 pods, 100-grain weight 35-38 grams. Strong resistance to disease, mature green leaves. General mu production 125-150 kg, high-yield land can break 400 kg. Therefore, black soybeans have been listed as a key grain variety in Montenegro. We conducted demonstration experiments on black soybeans and explored a set of high-yielding cultivation measures.
Second, the selection of sowing: planting black soybean should choose more than soil fertility above the weight of the land does not greet. Generally, the planting period is appropriate from May 1-5, and the seedlings are mainly planted with 6000-8000 strains per mu. Each mu of high-quality fertilizer 3000 kg, compound fertilizer 10-15 kg as a base fertilizer; in the bud flowering period topdressing urea 8-10 kg per mu, in order to meet the black soybean demand for nutrients.
Third, field management: Black soybeans are very sensitive to the moisture requirements, in the case of drought in the flowering period should be timely irrigation, in order to promote full grain, increase production. The pests of black soybean mainly include aphids and soybean borer pests. The control of aphids can use 2.5% bismethrin (dichlormic) emulsifiable concentrate 4000-6000 times liquid per acre 50 kg evenly; control soybean soybean insects with dichlorvos fumigation method. The main diseases of black soybeans are leaf spot disease. In the flowering period, 50% carbendazim wettable powder 800 times liquid can be used, sprayed once every 15 days, and sprayed 2-3 times in succession, and the effect of disease prevention and treatment can be received.
Fourth, timely harvest: When the black soybean leaves from the green yellow gradually fall off, the stem was brown, the seed coat becomes black in the inherent color of the species can be harvested. The harvest party blasted and shattered. Immediately threshing after harvest to prevent damage to soybean borer.
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