Compound NPK fertilizers provide the essential nutrients required by all plants for normal growth, development, and for achieving quality yields. They are easily absorbed and assist in the balanced nutrition of various types of crops. The wide range of formulations of compound NPK fertilizers makes them suitable for pre-sowing application in field crops, vegetables (both greenhouse and open-field cultivation), fruits and industrial crops, vineyards, and ornamental plants. The compound NPK fertilizers are the primary nutrient source for improving the soil storage capacity before sowing and for adjusting soil fertility.