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Why must potassium fertilizer be applied for watermelons to be sweet?
According to surveys, according to surveys, the problem of imbalanced nitrogen, phosphorus, and potassium content ratios in current watermelon field soil is relatively prominent. Watermelon is a crop that needs potassium. Increasing potassium fertilizer application can raise the sugar content of the fruit. When applying potassium fertilizer to watermelons, generally 12-18 kg of potassium sulfate can be applied per mu, that is, 2-3 kg per mu as base fertilizer, 6-8 kg as topdressing at the seedling stage, ...
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Organic fertilizer can be used year after year; long-term application is no problem
Organic fertilizer and chemical fertilizer used together complement each other, but if the combination is unreasonable, both will suffer damage and cause harm. 1. Benefits of mixing organic fertilizer and chemical fertilizer: 1. Making up for each other's shortcomings and building soil fertility. Chemical fertilizer has a single nutrient, high content, and quick effect, but a short duration; organic fertilizer has complete nutrients, a long-lasting effect, and can improve the soil...
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