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Subjects
Science CBSE
Class 9
Improvement in food resources
Crop yield improvement
9.
Methods to improve crop variety and nutrients supplied through soil
Exercise condition:
4
m.
Choose the correct answer
:
1
.
Cultivation practice and yield depends on
all of the above
climate and weather
availability of water
soil quality
2
.
Macronutrients to the plants are supplied through
soil
all of the above
water
air
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