Flowering and poding period is the most vigorous growth period of sesame, and it is also the period of peak fertilizer requirement. The absorption of nutrients accounts for about 70% of the total amount, and it is necessary to increase the application of fertilizer. Practice has shown that topdressing can increase production by more than 30%. The top dressing method is special fertilizer for applying sesame in soil and spraying phosphorus, potassium and boron fertilizers outside the roots. At the beginning of flowering, 15-20 kilograms of sesame fertilizer are applied per acre, and at the same time, 0.4% of potassium dihydrogen phosphate and 0.2% of borax are used for foliar spray, once for 5-7 days, and sprayed twice. .
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