CBSE Class 9 Biology Crop Production Management
- how can nutrient of the soil be replenished
- At the time of cultivation when different plants are grown with crops is there any reproduction between them
- What is the meaning of "NAMETODES" ? What is the meaning of "Peigon pea Green gram and lentill.Will they gives us protiens if yes how ??
- Explain any 3 methods of weed control.
- What is the difference between Genetic Manipulation and Hybridisation?
- What do we get from cereals,pilses ,fruit and vegetable?
- what is irrigation? why is it essential? how can you manage the need of it for crops?
- If there is heavy rainfall in a village throughout the year, what measures should the farmer take for better cropping?
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