CBSE Class 9 Biology Crop Improvement
- Is Intercroping supirior to mixed cropping?
- With diagram explain various processes in tissue culture
- what is harvedting
- mention the preventive and control measure used before grain are stored?
- "Ration of crop also help in pest control." What is meant by ration of crop?
- What are the objectives of crop variety improvement
- raw mango pieces are sprinkled with salt before pickling
- Enlist some factors for which variety improvement is done in plants.
- Compare fertilizers and manures.
- What is 'green manuring'? List any two commonly used green manure crops and name two macronutrients provided by green manure.
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