Black kidney bean high-yielding cultivation technique

1. Variety characteristics 90-day growth period, active accumulated temperature 2000-2200 degrees, seed coat black, white embryo, white flesh, 100 grains weighing 19 grams, purple flowers, round leaves. The amount of seeds used per mu is 3 kg, and 20-22 plants per square meter of seedlings are kept. The main stems start to branch 4-5 cm from the root, and 4-6 branches are branched. Generally, the plant height is 35-45 cm, each plant has 30-60 pods, and each pod has 6 grains. The average land mass per mu is 150 kg, and the high-yielding land mass can reach 250 kg.

Second, the cultivation points have no strict requirements on the stubble. It can be selected for hillsides with moderate or medium-low fertility plots. The total amount of nitrogen, phosphorus and potassium fertilizer applied per mu is 7.5 kg or the special fertilizer for soybean is 10 kg. The seeds can be mixed with soybean seed treatment agent 35% Dockford seed coating agent. The planting depth is 4 cm, and the planting on the ridge is 15 cm, with 2 plants per field. Before weeding, weeding should be carried out by using clomazone plus acetochlor or weeds. It is required to shovel in time and shovel three times. The field management is fully ended at the initial flowering stage. At this time, leaf spraying micro-fertilizer and potassium dihydrogen phosphate are added to promote early maturity, increase yield and improve quality.

3. Harvesting When the entire plant leaves are yellow and 2/3 of the leaves fall off, manually pull them out every morning and thresh them with an ordinary soybean thresher. Broken grains are strictly prohibited during threshing. Then air dry for 1-2 days and air dry. Before entering the warehouse, incomplete empty particles are controlled at 1%, impurities 1%, and moisture 15%.

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