1. Zinc fertilizer Mainly use zinc sulfate, which can be used as base fertilizer, seed fertilizer and top dressing. Use 1~1.5 kg of zinc sulfate per acre and apply it as base fertilizer. However, it cannot be mixed with phosphate fertilizer. Seed soaking with 0.1% solution, seed dressing (1 g zinc sulfate per kg of seed) or foliar top dressing with 0.01-0.05% zinc sulfate.
2. Boron fertilizer includes borax, boric acid, boron magnesium fertilizer, and boron-containing superphosphate. Among them, boron magnesium fertilizer and calcium borate are mainly used as base fertilizer, and the dosage per acre is 20-30 kg, 40-50 kg, borax and Boric acid is generally used as a top dressing, with a concentration of 0.01%, and can also be soaked with 0.1% boric acid or borax.
3. Molybdenum fertilizer Commonly used ammonium molybdate, can be used as base fertilizer, seed fertilizer and top dressing. The seed soaking time was 0.05%~0.1%, the soaking time was 12 hours, and the root dressing concentration was 0.02%~0.05%. The spraying effect was best in the seedling stage and the vine season.
4. Copper fertilizer Copper sulfate is commonly used. It can be used as base fertilizer. The dosage per acre is 0.1-0.3 kg. It can be soaked with 0.1% solution. It can also be used for root dressing with 0.05% solution.
2. Boron fertilizer includes borax, boric acid, boron magnesium fertilizer, and boron-containing superphosphate. Among them, boron magnesium fertilizer and calcium borate are mainly used as base fertilizer, and the dosage per acre is 20-30 kg, 40-50 kg, borax and Boric acid is generally used as a top dressing, with a concentration of 0.01%, and can also be soaked with 0.1% boric acid or borax.
3. Molybdenum fertilizer Commonly used ammonium molybdate, can be used as base fertilizer, seed fertilizer and top dressing. The seed soaking time was 0.05%~0.1%, the soaking time was 12 hours, and the root dressing concentration was 0.02%~0.05%. The spraying effect was best in the seedling stage and the vine season.
4. Copper fertilizer Copper sulfate is commonly used. It can be used as base fertilizer. The dosage per acre is 0.1-0.3 kg. It can be soaked with 0.1% solution. It can also be used for root dressing with 0.05% solution.
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