Crop rotation is carried out for
Crop rotation is carried out for
- A
Increasing acidity of soil
- B
Decreasing fertility of soil
- C
Increasing fertility of soil
- D
All the above
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Which of the following is common to Azospirillum, Anabaena, Nostoc and Oscillatoria
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Definitions / Explanation : Biofertiliser
Definitions / Explanation : Biofertiliser
The main sources of biofertilisers are
$(a)$ Bacteria
$(b)$ Cyanobacteria
$(c)$ Fungi
$(d)$ Protists
The main sources of biofertilisers are
$(a)$ Bacteria
$(b)$ Cyanobacteria
$(c)$ Fungi
$(d)$ Protists
An organism used as a biofertilizer for raising soyabean crop is
An organism used as a biofertilizer for raising soyabean crop is
- [AIPMT 2011]
A water fern, which is used as a green manure in rice fields is
A water fern, which is used as a green manure in rice fields is