Question

150 words essay on chemical fertilizers​

Answer 1

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In the traditional agriculture nutrient supply to plants was from the organic sources except a few fertilizers like sodium nitrate, (NaNO3, or ammonium sulphate (NH4SO4) was used which were used by progressive fanners otherwise farm yard manure, compost and oilcakes like neem were applied to soil.

In the traditional agriculture nutrient supply to plants was from the organic sources except a few fertilizers like sodium nitrate, (NaNO3, or ammonium sulphate (NH4SO4) was used which were used by progressive fanners otherwise farm yard manure, compost and oilcakes like neem were applied to soil.These organic manures supplied a smaller percentage of major nutrients to plant as well as micro-nutrients but there were other ancillary advantages : these organic manures improved the soil fertility in an indirect manner by improving the physical and biological properties of soil like the water holding capacity of soil increased in direct proportion of the supply of OM (organic matter), by the improvement in soil colour the heat absorbing capacity increased, the OM made the soil more pours by improving the soil structure resulting in proper aeration. In addition the population of beneficial microorganism increased which readily released the nutrient for the plant intake.

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