<span>How is </span><i>Azolla </i><span>helpful as biofertilizer?</sp…

Which one of the following nutrients is not available in fertilizers?<br> </h2></div>

<span>Application Based Questions :<br> The leaves of Azolla are used as biofertilizer. Co…

Which of the following is widely used as a successful biofertiliser in Indian rice fields?</h2></div>

Which of the following can be controlled by using biopesticides?<br> </h2></div>

Which bacterium is used extensively as biopesticide?</h2></div>

Enriched vitamin tablets are produced from</h2></div>

Which of the following is not organic waste?