... improving the quantity and quality “PENSHIBAO”-water soluble organic fertilizer is one kind of the compound foliar fertilizer.And it is one kind of the ... contains many kinds of mineral nutrient elements which are necessary for crops,such as:Nitrogen(N),Phosphorus(P),Potassium(K),Boron ... ,disease resistance,cold resistance,dry resistance,flood resistance,etc ”. water soluble organic fertilizer npk