With the help of a neat and labelled diagram explain VAM (vesicular arbuscular mycorrhizae).<br> </h2></d…

What are bio-fertilizers? Describe their role in agriculture. Why are they preferred to chemical fertilizers?</h2>…

<span>What are methanogens? How do they help to generate biogas?</span></h2></div>

Instead of using chemical fertilizers in a paddy field, a farmer thought of employing nitrogen fixation technique. Among…

Streptomycin and actinomycin were discovered by</h2></div>

The prickly pear weed (<i>Opuntia</i>) became a menace and it has been successfully controlled by&l…

What are the by-products of alcoholic fermentation?

What are biofertilisers? Give two examples. </h2></div>