UOI 5-Farming

4. are unwanted plants
7. are used worldwide to control agricultrel pests .
8. is done with the help of a soil leveler which is wooden plank or an iron plank.
9. farming reduces soil erosion and water loss.
10. is the rearing of silk is called.
11. increse crop yield .
13. sown in novemeber and harvested in april ,may,june.
14. in this farming crops are grown and animals are reared for sale in the market.

1. is the branch of agriculture that deals with art , scince and technology.
2. this combines three operations reaping , threshing , winnowing.
3. is the breeding and rearing of fish is called.
5. give nutritents to the soil.
6. it is type of farming on focus for growing enough food for their family.
12. reffer to supplying of water to the dry land as supplementition of rain water .