If wheat field is inoculated with Rhizobium
Soil will become nitrogen rich
No effect on soil nitrogen
Soil will be depleted of nitrogen
Soil will become rich in calcium
How are microbes useful in biofertilisers ?
Azolla is used as a biofertiliser because it
Yield of paddy field can be increased by application of
Bacteria found in root nodules of legumes are
Biofertilizers include