... and quality fertilizers“PENSHIBAO”-water soluble organic fertilizer is one kind of the compound foliar fertilizer.And it is one kind of ... contains many kinds of mineral nutrient elements which are necessary for crops,such as:Nitrogen(N),Phosphorus(P),Potassium(K), ... of nutrient,it also plays other roles of activating the enzyme activity of crops,improving the efficiency of photosynthesis, adjusting ...