Page 256 - New Medley 5 Semester 1
P. 256
At the agriculture farm...
First of all, we plough the field. By ploughing, soil becomes airy and soft, and gets ready
for sowing seeds in it. To increase crop production, good quality seeds are used.
Do all seeds
grow into
new plants?
No, only those seeds that get suitable amount of
air, water and warmth, grow into new plants.
Manure and fertilisers are added in What are manure Manure is a rotted
the field, so that crop plants can get and fertilisers? matter made of plant
all the nutrients and grow well. and animal waste.
Things like leaves,
twigs, cow dung,
etc. are made to rot
in a pit where they
change into manure.
Fertilisers are made in factories
from different chemicals. Super
Fertilisers also help plants phosphate, ammonium sulphate and
grow well but their overuse nitrate are some fertilisers.
harms the soil and plants.
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