Modern farmer's can increase the yield of paddy upto 50% by the use of :-

Rhizobium increases the yield of paddy by

Azolla increases the yield of paddy crop - support your answer.

Aquatic fern is used to increase the yield in paddy crop

Yields of paddy can be increased by

Yields of paddy can be increased by

Yields of paddy can be increased by

Yields of paddy can be increased by

Aquatic fern which supports the growth of blue green alge, Anabaena and used to increase the yield of paddy crop is :-

Heterosis result in an increase in yield upto: