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Blanks:-1.Irrigation requirements of crops depends upon_____.2. Depletion of O2 from water because of tremendous growth of algae is called_____.3. _______are symbiotic association of certain fungi with roots of higher plants. |
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Answer» Answer: 1.Nature of soil. 2.Aquatic hypoxia 3.miccorhiza Explanation: Hope this will HELP you |
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