When planting, apply 0.5-1 kg of zinc sulfate per acre or spray with 0.2-0.3% zinc sulfate solution at the seedling stage and early flowering stage.
The effective boron content of the soil is less than 0.5 mg / liter, and the boron application effect is remarkable. A 0.1% concentration of boric acid or borax may be used as a root spray.
Molybdenum fertilizer can be mixed with seeds, used as seed fertilizer or deep root application. 1. Seed dressing: 1 to 2 grams of ammonium molybdate per kilogram of seed is placed in a porcelain pot and dissolved in water. The amount of water can be mixed with wet seeds without leaving the fertilizer liquid, and dried after sowing. 2, external fertilization: use 0.05% ~ 0.1% ammonium molybdate, 50 kg per acre solution, sprayed from the seedling stage to the flowering. 3, seed fertilizer: 10 grams per acre of ammonium molybdate plus water dissolved with potassium phosphate or farmyard manure for seed fertilizer application or acupoint application.
Huaxian County Shang Hongyan
The effective boron content of the soil is less than 0.5 mg / liter, and the boron application effect is remarkable. A 0.1% concentration of boric acid or borax may be used as a root spray.
Molybdenum fertilizer can be mixed with seeds, used as seed fertilizer or deep root application. 1. Seed dressing: 1 to 2 grams of ammonium molybdate per kilogram of seed is placed in a porcelain pot and dissolved in water. The amount of water can be mixed with wet seeds without leaving the fertilizer liquid, and dried after sowing. 2, external fertilization: use 0.05% ~ 0.1% ammonium molybdate, 50 kg per acre solution, sprayed from the seedling stage to the flowering. 3, seed fertilizer: 10 grams per acre of ammonium molybdate plus water dissolved with potassium phosphate or farmyard manure for seed fertilizer application or acupoint application.
Huaxian County Shang Hongyan
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