An organism used as a biofertilizer for raising soyabean crop is
Azotobacter
Azospirillum
Rhizobium
Nostoc.
Aquatic fern which is an excellent biofertilizer
An example of endomycorrhiza is
Which of the following plants is used as biofertiliser
The organisms which are used to enrich the nutrient quality of the soil are called
Crop rotation is carried out for