1. Inorganic salts
1. Macro-elemnts (N, P, K, Ca, Mg)
2. Micro-elements (B, Co, Mn, I, Fe, Zn)
2. Organic compounds
1. CHO (mainly sucrose)
2. Vitamins, amino acids (thiamin, inositol)
3. Hormones (Aux., Cyt., GA3) and growth regulators
4. Miscellaneous (e.g. citric acid, activated charcoal, coconut
milk)
3. Gelling agents
1. Agar
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