Biofertilizers include<br> </h2></div>

Organic compound not decomposed by microbes in biogas plants is</h2></div>

Yield of rice is increased by</h2></div>

Streptomycin is produced by</h2></div>

Give scientific reasons.<div><br> a. Foam accumulates on the surface of 'dal' kept for a long time …

The plant pesticide pyrethrum is obtained from</h2></div>

Which of the following is not organic waste?

Which of the following is present in activated sludge?</h2></div>