from it are easily released in the available forms to be taken up by the plants from the soil system. The fast release characteristic of nutrients from inorganic fertilizers also opens the avenues for considerable losses. In greater amounts, these nutrients are being leached down with water, volatized in the air if it is nitrogenous, fixed by clay, fixed by macro as well as micro-organisms and go with eroded soil during run-off. Now, it is generally accepted that the inorganic fertilizers have low efficiencies…
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