CBSE Class 8 Science Crop Production and Management
- what are weeds ?
- about storage
- what are the Various ways by which we protect crops from weeds and pests
- define nutrient management
- what precautions must be taken while storing the grains
- what are the three types of crop
- what is winnowing and threshing ?
- what are kharif and rabi crops
- Are wheat grains stored in the gunny bags living? why or why not?
- if pesticides kill insects and pests, don't they harm the crop plants too?
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