A water fern, which is used as a green manure | vedclass

Name: Exam Paper Generator | JEE NEET Paper Generator | Vedclass
Brand: Vedclass
Rating: 5 (35 reviews)

Question

(D) Azolla is a small aquatic fern that is cultivated in rice fields because it provides both green manure and fixed nitrogen to the crop.It contains

Vedclass · Accepted Answer

Azolla

Vedclass · Answer

(D) Azolla is a small aquatic fern that is cultivated in rice fields because it provides both green manure and fixed nitrogen to the crop.It contains a symbiotic cyanobacterium, $Anabaena \ azollae$, in its leaves which fixes atmospheric nitrogen.The use of Azolla in rice fields at the rate of $200 \ g$ per square metre can increase rice yield by $12.38 \ \%$.Experiments have revealed that the application of $10$ tonnes of fresh Azolla biomass per hectare adds approximately $100 \ kg$ of nitrogen to the soil.

$A$ water fern, which is used as a green manure in rice fields is

Similar Questions

What are biofertilisers?

Biofertilizers include:

Which of the following microorganisms lives in symbiosis with plants and helps in their nutrition?

The organism used as a biofertilizer to enhance soybean crops is.....

Biofertilisers include

Vedclass Test Series

Exam Paper Generator

Online Exam Module