Which of the following is/are used as blofertillsers?
1. Azolla
2. Blue-green algae
3. Alfalfa

1 and 3

No worries! We‘ve got your back. Try BYJU‘S free classes today!

1 and 2

Right on! Give the BNAT exam to get a 100% scholarship for BYJUS courses

2 alone

No worries! We‘ve got your back. Try BYJU‘S free classes today!

1, 2 and 3

No worries! We‘ve got your back. Try BYJU‘S free classes today!

Open in App

Solution

The correct option is B 1 and 2
Azolla and BGA are used as biofertilizers in the rice field because they increase the yield of the paddy or rice by supplying the plant with all the nutritional elements
So, the correct option is '1 and 2'

Suggest Corrections