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Improvement in Food Resources — Science STD 9 — Question

Gujarat BoardEnglish MediumSTD 9ScienceImprovement in Food Resources2 Marks
Question
Give two limitations of using manure.
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Answer

Limitations of using manures are:
  1. Manures are not nutrient specific.
  2. Manures are not able to fulfill the high and rapid demand of nutrients required by improved high-yielding hybrid varieties of crops.

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