The Basis of Organic Fertilizers
Ahmad Mehraban
Broschiertes Buch

The Basis of Organic Fertilizers

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Chemical fertilizers are expensive they disturb the equilibrium of agroecosystems and cause pollution to the environment. These problems may be avoided by the use of Organic fertilizers. Organic fertilizers are fertilizers derived from animal or vegetable matter. (e.g. compost, manure). Naturally occurring organic fertilizers include manure, slurry, worm castings, peat, seaweed, humic acid, and guano. Processed organic fertilizers include compost, bloodmeal, bone meal, humic acid, amino acids, and seaweed extracts. Other examples are natural enzyme-digested proteins, fish meal, and feather mea...