CBSE Class 8 Science Crop Production and Management. Learning the important concepts is very important for every student to get better marks in examinations. The concepts should be clear which will help in faster learning. The attached concepts made as per NCERT and CBSE pattern will help the student to understand the chapter and score better marks in the examinations.
CLASS 8- NOTES
CROP PRODUCTION& MANAGEMENT
1. Name the agricultural implements associated with the following agricultural tasks:-
(b) weeding-harrow, trowel
(d) sowing-seed drill
2. Define the following:-
(a) crop-the plants that are cultivated for commercial purposes or their products
(b) agriculture –the practice of cultivating crops
(c) threshing-separation of grains from the husk
(d) winnowing-separation of chaff(hollow grains) & husk from healthy grains by making them fall from a height & blowing wind through huge pedestal fans
(e) manuring-adding manures/compost to the soil
(f) weeding-removal of weeds from the agricultural fields
3. Fill in the blanks:-
(a)The same kind of plants grown & cultivated on a large scale at a place is called crop______
(b) The first step before growing crops is _preparation of soil.
(c) Damaged seeds would float on the surface of water.
(d) For growing a crop, sufficient amount of sunlight, water & nutrients_ from the soil are essential.
(e) Paddy & maize are kinds of _kharif crops
(f) Animal excreta, cow dung, urine & plant waste are used to make _manure
(g) Urea & superphosphate are kinds of fertilizers
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