mention some of the ways to sustain land
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Answer:
(i) Limited use of chemical fertilisers: Chemical fertilisers should be used in a limited number and only as the per the requirement. Excessive use of chemical fertilisers destroys the fertility of land. (ii) Crop Rotation: Crops should be planted in such a way that land gets time of restore its fertility. Different nutrients are required with different lands; therefore planning of multiple cropping should be done in such a way that the land is also able to restore the lost nutrients.
(iii) Waste of chemical fertilisers: Waste of chemical fertilisers or pesticides should not be thrown in the water bodies of village as this will pollute the water.
(iv) Adequate use of ground water: Ground water should be adequately used so that there is minimum wastage of groundwater.