GIVE ONE WORD FOR THE FOLLOWING:-
1. Tall grasses cultivated for their nutritious seeds.
2. Producing vegetables, fruits, flowers and decorative plants.
3. The process of loosening and turning of soil.
4. Sowing seeds by a seed drill.
5. Leaving the field without crops for one or more seasons.
6. A manure obtained from decomposition of dead plants and animal waste.
7. Supplying water to crops in the field.
8. The process of removing weeds from a field.
9. Organisms that attack and damage crops.
10. Chemicals that destroy fungi.
11. A farm machine that can do both harvesting and threshing.
12. Extra stock of grains kept for emergency use.
13. Development of new and better varieties of crop plants.
14. Conversion of proteins into ammonia.
15. Nitrogen fixing bacteria in root nodules of leguminous plants
Answers
1)cereals
2)horticultural
3)tiling or ploughing
4)planters
5)fallowing
6)organic manure
7)irrigation
8)The process of removal of weeds iscalled weeding. Some chemicals like 2, 4-D are also used to kill the weeds. (d) Threshing: Separation of grains from the chaff is called threshing. When the crop is harvested, it is cut along with the stalks.
9)pests
10)Fungicide, also called antimycotic, any toxic substance used to kill or inhibit the growth of fungi.
11)combine harvester
12)buffer
13)Better varieties of crops can bedeveloped by plant breeding or hybridisation. Hydridisation is a technique used for developing new crop varieties by cross breeding.
14)ammonification
15)rhizobia,
Legumes are able to form a symbiotic relationship withnitrogen-fixing soil bacteria called rhizobia. The result of this symbiosis is to form nodules on theplant root, within which the bacteria can convert atmospheric nitrogen into ammonia that can be used by the plant.
Explanation:
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