1) practice of leaving the field uncultivated is called a) agriculture b) fallowing c) tilling d) horticulture 2) Manure is rich in following nutrients a) inorganic b) organic c) living d) earthworm 3) Name the bacteria present in root nodules of the given image a) lacto b) round c) rhizobium d) spiral 4) NPK is a a) manure b) chemical c) fertilliser d) salt 5) Method of growing different crops alternately on the same field a) farming b) cultivating c) crop rotation d) mixed farming

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