1.

Differentiate between manures and fertilizers.

Answer»

In agricultural practices, instead of fertilizers, manures should be commonly employed because continuous use of fertilizers in an area can destroy soil fertility as the organic matter in the soil is not replenished. It also affects various microorganisms present in the soil which are beneficial for maintaining soil quality. Disrupting the nature of soil will hamper in the production of crop.

BASIS FOR COMPARISONMANUREFERTILIZER
MeaningManure is a natural material, obtained by decaying plant and animal waste, that can applied to the soil to enhance its fertility.Fertilizer is a human- made or natural substance, which can be added to the  soil to improve its fertility and increase the productivity.
PreparationPrepared in fieldsPrepared in factories
HumusIt provides humus to the soil.It does not provide humus to the soil.
NutrientComparatively less rich in plant nutrients.Rich in plant nutrients.
AbsorptionSlowly absorbed by plants.Quickly absorbed by plants
CostIt is economicalIt is costly
Side- effectThere is no side - effect, in fact it improves the physical condition of soil.It causes harm to the living organism present in the soil.


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