GK
SOIL EROSION AND CONSERVATION
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Question
[CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
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The disadvantage of ploughing in arid and semi-arid zones is:
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Loss of soil water
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Soil organisms are exposed
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Soil particles became smaller
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All of these
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Explanation:
Detailed explanation-1: -Arid and semi-arid lands are notable for their within-species genetic diversity, rather than between-species variation or species richness. Yet they contain a significant endowment of plants and animal species, including micro-organisms.
Detailed explanation-2: -Some of the most important measures to practice water conservation in arid areas are the conjunctive use of surface and groundwater, the re-use of effluent, artificial aquifer recharge, and the utilization of sand storage dams to reduce evaporation.
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