Question

Fill in the blanks:
1) Crops that take lot of nutrients from the soil are _________.
2) ________ fungi is used as biofertiliser. 3) Krisopa, lady birds, beetles are examples of __________.
4) _________ percentage of nitrogen is present in urea.
5) Peta and I.R-8 are __________.​

Answer 1

a) The same kind of plants grown and 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 top of water.

d) For growing a crop, sufficient sunlight and water and nutrients from the soil are essential.