Plant iron source, plant growing medium, and methods of making and using same

摘要: Iron (FE) may be reacted in the presence of an alkaline material with vegetable tannin by mixing water (H 2 O), comminuted iron its elemental state and to form chelate which holds a available assimilable plants. Treatment plants supplies thereto corrects chlorosis. Comminuted cast extract used, respectively, as Fe sources. Further, redwood, is known poisonous many natural state, believed converted into nonpoisonous growing medium stimulates plant growth reacting naturally occurring redwood aforementioned therein.