Zinc fertilizer: The main variety is zinc sulfate. The base application amount is 1 to 1.5 kg per mu, soaking seeds are immersed in 0.03% to 0.05% zinc sulfate solution for 12 hours, and 4 to 6 g of zinc sulfate per kg of seeds are used for seed dressing, and the spraying concentration is 0.2% to 0.3%.
Boron fertilizer: The main variety is borax. The amount of base application is 0.5-1.0 kg, and soaking with 0.01-0.02% borax solution for 6-12 hours, 0.5-1.0 g per kg of seeds during seed dressing, and spraying concentration of 0.2%.
Iron fertilizer: The main variety is ferrous sulfate. The amount of base application is 2 to 3 kg, which is better than the combination of high-quality Organic fertilizer and acupoint application. The seed soaking was immersed in a 0.05% ferrous sulfate solution for 12 hours, and the spraying concentration was 0.3% to 0.5%.
Manganese fertilizer: The main variety is manganese sulfate. When the base is applied, the dosage is 2 to 3 kg, and it is mixed with high-quality organic fertilizer or applied. Soaking seeds is 0.05% to 0.1%.
Boron fertilizer: The main variety is borax. The amount of base application is 0.5-1.0 kg, and soaking with 0.01-0.02% borax solution for 6-12 hours, 0.5-1.0 g per kg of seeds during seed dressing, and spraying concentration of 0.2%.
Iron fertilizer: The main variety is ferrous sulfate. The amount of base application is 2 to 3 kg, which is better than the combination of high-quality Organic fertilizer and acupoint application. The seed soaking was immersed in a 0.05% ferrous sulfate solution for 12 hours, and the spraying concentration was 0.3% to 0.5%.
Manganese fertilizer: The main variety is manganese sulfate. When the base is applied, the dosage is 2 to 3 kg, and it is mixed with high-quality organic fertilizer or applied. Soaking seeds is 0.05% to 0.1%.
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