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The use of micro-fertilizer as a base fertilizer and top dressing
When zinc fertilizer is used as the base fertilizer, the dosage per acre is 1 - 2.5 kg, and when the manganese fertilizer is used as the base fertilizer, the dosage per acre is 1-2 kg. Because the amount of micro-fertilizer is small, it should not be applied deeply when used. It should be used in a timely and appropriate amount according to the fertilizer characteristics of the crop. The micro-fertilizer is mixed with fine soil or the like, or water is added in proportion, and applied to the soil in the crop growth period. When used in paddy fields, it can be mixed with fine soil and then applied (or poured after watering); when applied in dry land, it is usually added to dry manure (or manure water) for application, ditch application and strip application. When zinc fertilizer is used as top dressing, the dosage per acre is preferably 1 to 1.2 kg. The method of soaking roots of micro-fertilizers for crops is to first dissolve the micro-fertilizer into a certain concentration of aqueous solution, and then soak the roots of the crop plants to allow trace elements to enter the plant body.
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