Why manure is not fulfilling our demand and we are bound to use fertilizers??
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1 manure are bulky and need huge loads to be used at once
2 they are not nutrient specific
3 they just remove the general deficiency from soil
4 they are not absorbed by soil quickly
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Because it contain all nutrient
As farmer only want the proper nutrition or particular nutrition for for need to plant to grow like this plant want nitrogen, phosphate ...
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