Dr Aid China potassium fertilizer NPK 20 20 20 for Vegetables

Compound Fertilizer is the fertilizer which contains two or three nutrients of
N, P, K. NPK fertilizers are three-component fertilizers providing nitrogen,
phosphorus, and potassium. It is available in powder or granular form. Compound
fertilizers show their nutrient content with three bold numbers on the package.
Represented by three different major nutrient content: Nitrogen, Phosphorous,
and Potash (Potassium), we can describe such content with the letters N-P-K.
Nitrogen helps plant foliage to grow strong.
Product Name：Dr. Aid Sulfur-Based Compound NPK Fertilizer
Formula: N-P2O5-K2O
Chloride: ＜3%
Nitrogen: ＞15.5%
Phosphorus Pentoxide: ＞15.5%
Potassium oxide: ＞15.5%
Water insoluble: ＜5%

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