Advertisements
Advertisements
Question
Explain why a legume crop does not require nitrogenous fertilizers ?
Solution
Legume crop does not require nitrogenous fertilisers because Rhizobium, a bio-fertiliser, lives in symbiotic association with the roots of leguminous plants. It fixes the atmospheric nitrogen and makes it available to the crop plants. Hence, the nitrogen requirement of the plant is fulfilled.
APPEARS IN
RELATED QUESTIONS
How plants get nutrients ?
Write down two advantages of fertilizer over manure
Mention three effects of excessive irrigation.
Explain, how efficiency of irrigation can be increased.
Distinguish between mixed cropping and intercropping.
Explain the advantages and disadvantages of mixed cropping.
Write about three main criteria which should be considered while selecting the crops for rotation?
Explain various steps in hybridization of crop plants.
Explain what will happen if in a cultivated field only manures are supplied and in another field only fertilizers are supplied, keeping all other conditions similar.
Define irrigation. Why is irrigation of crops essential? Mention the harmful effects of excessive irrigation.
