Min. Order Reference FOB Price
20000 kg US$0.16-0.39 / kg
Product Description
2018 Hot Sale Organic Fertilizer Humic Acid 50% Description: Potassium humate and Humic acid is ideally as addition for granular fertilizers, such as Urea. With prominent effect to release the locked phosphtae by some iron such as Fe3+,Al3+,also can slow-release nitrogeon fertilizer to promote the ...