Continuous growing of a crop in a field without manuring gives
bumper CROP
poor yield
normal yield
no yield
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2
Answer:
The use of chemical fertilizers can be reduced by introducing beneficial microorganisms like mycorrhizal fungi (AMF), nitrogen fixers, phosphate solubilizers and plant growth promoting rhizomicroorganisms (PGPR) to sustain plant productivity,
improve nutrient availability for plants and maintain soil health.
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1
Explanation:
Q9. Growing different crops in the same field in a pre-planned succession, to improve the quality and quantity of the crop yield and maintain the fertility of soil is known as:
(a) Crop rotation
(b) Plant breeding
(c) Intercropping
(d) Crop management
Answer: (b) Plant breeding
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