Nitrogen: Nitrogen levels directly affect the size and yield of watermelon vegetative bodies. The amount of nitrogen required by watermelon is closely related to the yield of watermelon and the soil fertility.
Phosphorus: Phosphorus promotes root growth and is associated with flower bud differentiation and bud development. Phosphorus has the effect of increasing production and improving quality.
Potassium: Potassium fertilizer can significantly increase the sugar content of watermelon fruit, improve quality, and improve plant disease resistance.
The elements calcium, magnesium, sulfur, trace elements zinc, boron, manganese, etc., although in the crop body content is small, but play an important role, when the lack of or excessive, it can cause crop metabolism disorders, growth and development affected.
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Varicella Vaccine, Live (free of gelatin, with 36 months of validity, the longest in the world)
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Rabies Vaccine (Vero Cell) for Human Use (Microcarrier bioreactor technology for production)
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