Commonly used micro fertilizer application method

1, boron fertilizer: mainly borax, boric acid, followed by boron and magnesium fertilizer. Borax and boric acid are commonly used boron fertilizers, with 0.5-0.75 kg per acre of soil, 0.1%-0.3% foliar spraying, 0.01-0.1% soaking, and 0.2-0.5 g/kg seed dressing.
2. Zinc fertilizer: There are mainly zinc sulfate, zinc oxide, zinc nitride, and zinc in combination. Zinc sulfate is commonly used zinc fertilizer, soil topdressing 1-2 kilograms per acre, foliar spray concentration of 0.01-0.05%, soaking concentration of 0.02%-0.05%, seed dressing for 1-3 grams of fertilizer per kilogram of seed.
3, molybdenum: mainly ammonium molybdate, followed by sodium molybdate, molybdenum trioxide and so on. Ammonium molybdate is commonly used molybdenum fertilizer, top-dressing 50-150 grams per mu, spray concentration 0.01-0.1%, soaking concentration of 0.05%-0.1%, seed dressing for 2 to 5 grams of fertilizer per kilogram of seed.
4. Copper fertilizer: There are mainly copper sulfate, copper oxide, copper-bearing copper and copper-bearing slag. Copper sulphate is commonly used copper fertilizer, topdressing 0.8-1.5 kilograms per acre of soil, foliar spray concentration of 0.01%-0.05%, soaking concentration of 0.01%-0.05%, seed dressing 0.3 grams per kilogram of seed fertilizer.
5. Manganese fertilizer: There are mainly manganese sulfate, followed by manganese carbonate, manganese chloride, and manganese oxide. Manganese sulphate is commonly used manganese fertilizer, top-dressing 1-2 kg per mu, foliar spray concentration of 0.05% -0.2%, soaking concentration of 0.05% -0.1%, seed dressing for 4-8 grams of fertilizer per kilogram of seed.
6, iron fertilizer: There are mainly ferrous sulfate, in addition to ferrous ammonium sulfate, iron hydrazine compounds. Ferrous sulphate is a common species, topdressing 5 kilograms per acre of soil, spraying 0.5%-0.3% foliar.

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