Land application. One to two kilograms of zinc sulfate per acre is mixed well with fine soil, organic fertilizer or physiological acid fertilizer, spread evenly into the soil before sowing, or applied to the soil as a seed fertilizer at the time of sowing. Foliage spray. Apply 0.1% to 0.5% zinc sulphate solution once every 10 days, spray 2 to 3 times. Water and fertilizer integration. Dissolve zinc sulfate in irrigation water and fertilize with water irrigation by drip irrigation. In the general seedling stage and budding stage, it is applied twice, each time about 0.5 kilograms per mu, which can be applied simultaneously with other water soluble fertilizers. When the irrigation water is alkaline, the pH must be adjusted to 5 to 5.5 before adding zinc sulfate to the fertilizer solution. Disclaimer: Some articles in this website have been transferred from the Internet. If you are involved in third party legal rights, please inform this website. phone
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