Ferrous sulfate heptahydrate is the most popular iron fertilizer in rice planting, which can promote rice growing and improve growing conditions for crops. Some customers often call us to ask about the ferrous sulfate application methods in his practical operations? Now, Rech Chemical Co. Ltd shares our application method for you as follows:

Solution 1: For each 1/15 acre, mix ferrous sulfate 2-3 kg with 20 kilograms of water. Then the dissolved mixture could be ready for fertilization. To get better effectiveness, usually add ethylenediamine tetraacetic acid (EDTA) 0.5 kg in it. If used as base fertilizer, dilute 200 times of the solution; if used as foliar fertilizer, diluter 800 times the solution.

Solution 2: when used in seedling cultivation, it’s suggested to apply iron fertilizer more frequent, 3 kilograms for each 1/15 acre, at least 10 days a time.

Here’re reminds for user: Because ferrous ions in ferrous sulfate heptahydrate is easy to be oxidized into ferric iron ion, you should not only pay attention to the products’ effective content, but also see if it’s out-of-date when buying this product. Any information or helps you need, please feel free to consult our technical team.