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What is the best fertilizer for growing watermelon?

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Characteristics of watermelon fertiliser requirements throughout the reproductive period

Watermelon must have sufficient nutrients for each growth period from the time of rooting and sprouting to the full maturity of the fruit. In the early stages of growth, the total number of branches and vines is small, so the amount of nutrients absorbed is relatively small. Later on, as the plant rapidly enters the growing phase and then the fruiting period, the uptake of nutrients such as nitrogen, phosphorus and potassium increases.

Characteristics of the different fertiliser requirements

Watermelon is a high nutrient-consuming crop or cash crop and has a relatively high demand for nitrogen, phosphorus and potassium throughout its reproductive life compared to other crops.

Different uptake of nitrogen, phosphorus and potassium at different stages of fertility

Watermelon requires different amounts of nitrogen, phosphorus and potassium during the three main growth periods: the seedling stage, the rapid growth period and the flowering and fruiting period. Watermelon needs a lot of nitrogen in the early stages of growth, which increases with the rapid growth of branches and vines and reaches its highest value in the rapid fruiting period. The demand for phosphorus is not too great during the fruit expansion period.

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