Sols which are rich in volcanic

Curcumin is extracted from 

Black soil is used for the cultivation of 

Agronomic method of controlling soil erosion are employed if the slope is…………………

One acre is equivalent to 

The maximum amount of energy is liberated on oxidation of ____

After the stage of sheet erosion, what is the term used to describe the formation of small, finger-like channels on the soil surface?

Choosing nursery stock with higher levels of secondary plant compounds for resistance breeding would exemplify which plant resistance mechanism?

Parbhani Kranti is a variety of:

Feni is made from

Judicious removal of plant part to obtain better and qualitative yield is termed as ___