Black sesame summer high yield catch four rings

The first is to set the seedlings in a timely manner, check the seedlings to fill the gaps: due to the small number of seedlings of sesame seedlings, the first pair of true leaves after emergence should be sparse seedlings; grow to 2 to 3 pairs of true leaves should be thinning, 4 pairs of real leaves when Dingmiao, Generally about 8000 acres of left seedlings; if due to bad planting time, lack of seedlings off ridge, can be used to fill thinning or germination sowing seedlings to ensure seedlings full seedling strong. The second is cultivating weeds and soils to prevent fall: As the saying goes, “Dry glutinous rice cakes are wet and sesame is not wet”. After thinning, the soil should be hoeed and weeded. When the seedlings are 5 cm in height, the second cultivator is used to plant the seedlings. After cultivating 1 or 2 times, do not hurt the roots. When the seedlings reach 33 centimeters in length, the soil should be bacon-rooted and the winds should be prevented from lodging. Third, flowering top dressing, topping topping: sesame flowering period requires more fertilizer, should apply 10~12.5 kg urea per acre in the early flowering period, in the flowering period with potassium dihydrogen phosphate or active humic acid, foliar fertilizer, etc. 120 ~ 150 The leaves were topdressed with water; during the cap period, the top of the plant was picked by hand on sunny days, and the length of picking was 2 cm. Fourth, chemical regulation and promotion of yield increase: After full bloom, mu 40-50 grams of paclobutrazol sprayed 25 to 30 kg of uniform foliar spray on the surface of the water, with less spray on the growing trend, more good growth and more spray, and early spraying increased the yield by 8%. ~10%.

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