N-P-K + TE Product Name: NPK compound As per customer' s formula The content and grade: as per customer' s requirements Packaging: 25kg/ bag, or as per customer' s requirements Nitrogen-phosphate-potassium fertilizers The major three elements for plant growth and productiveness are nitrogen, potassium and phosphorus. Inorganic fertilizers are formulated in appropriate concentrations and combinations supply three main nutrients: nitrogen, phosphorus and potassium ( N, P and K) for various crops and growing conditions. N ( nitrogen) promotes leaf growth and forms proteins and chlorophyll. P ( phosphorus) contributes to root, flower and fruit development. K ( potassium) contributes to stem and root growth and the synthesis of proteins.