What are the main management of planting black sesame in summer?

What are the main management of planting black sesame in summer? Please give an introduction to planting black sesame summer management can refer to the following points: first, timely determine seedlings, check seedlings to fill gaps: because sesame seeds are small and have a large number of seedlings, seedlings should be sparse when they grow to 2-3 pairs of true leaves, 4 pairs of true leaves should be fixed seedlings, generally leaving about 8000 seedlings per mu; if sowing moisture is poor, lack of seedlings and broken ridges, you can use densification and sparse or sprouting sowing to ensure that the whole seedling is strong. Second, ploughing and weeding, cultivating soil to prevent toppling: as the saying goes, "dry hoe millet wet hoe flower, not dry not wet hoe sesame", after the seedlings should be shallow hoe loose soil to weed, when the seedling height is 5 cm, the second intermediate ploughing and fixed seedlings, and then ploughing twice, pay attention to hoeing do not hurt roots, seedlings grow to about 33 cm, should obstruct the soil to resist wind and lodging. Third, topdressing at flowering stage, topping and heart-picking: Sesame needs more fertilizer at flowering stage, 10-12.5 kg urea per mu should be applied at the early flowering stage, 120-150 grams of potassium dihydrogen phosphate or active humic acid and foliar fertilizer should be used for foliar topdressing of water at full flowering stage; in the capping period, the top of the plant should be removed by hand on a sunny day, and the coring length should be 2 cm. Fourth, chemical regulation and promotion of yield increase: after the full flowering stage, 40-50 grams of paclobutrazol were sprayed evenly on the leaves of 25-30 kilograms of water, less spraying for those with poor growth, and more spraying for those with good growth, and early spraying could increase the yield by 8% and 10%. Click to get more sesame planting techniques click to get more food crop planting techniques