... to the characteristics of the soil nutrient and crops’ demand. b. this product is both rich in ... microelements (such as NPK ) , and in microelements, such as Ca, Mg, Fe, Zn, and ... burnt. d. The rich algae active ingredients and organic matter in this product can significantly ... for cotton, corn, fruit, peanuts, soybeans and other crops, producing no public hazard. It can ...