Crop Production and Management.
Revision
Class 8.
1."Use of manures is advantageous over
fertilizers”. Justify the statement.
2. Paddy
cannot be grown in the winter season. Why?
3. What will happen if the field is not ploughed
before sowing seeds?
4. What are
crumbs? Why should they be broken?
5. Tabulate 4 major differences between
manures & fertilizers.
2. Fill in the blanks:-
(a)The same
kind of plants grown & cultivated on a large scale at a place is
called_______
(b) The first
step before growing crops is _______ of soil.
(c) Damaged
seeds would ________ on the surface of water.
(d) Paddy
& maize are kinds of ________crops
(e) Animal
excreta, cow dung, urine & plant waste are used to make ________
(f) Urea
& superphosphate are ________
(g) Wheat,
gram, pea are kinds of ________ crops