Crop rotation using peas as one of the crop helps to fix _______ in the soil.
Nitrates
Phosphates
Sulphates
Carbonates
Synthetic fertilizers should be
of high price
good quality
water soluble
powder like
Chemical used to kill harmful insects are
Pesticides
Insecticides
Fertilizer
Both 1 and 2
Before transplantation paddy is grown in
seedbed
seabed
water bed
field
Urea is a
fertilizer
pesticide
bio-fertilizer
insecticide
Kharif crops are grown in
Summer
Winter
Monsoon
Spring
Straw is a good
food
fodder
nutrient
manure
Which is a fertilizer?
Urea
All the above
At home, using kitchen waste we can make
Compost
Pesticide
Rabi crops are grown in
Autumn
