Which among the following is the oldest existing

H2PO4- is absorbed greatest at ph of

Which of the following element is indirectly related with drought resistance?

____ fertilizer is not recommended in potato crop. 

The brix value in sugarcane juice gives an estimate of:

Round revolution is related to _______

Toned milk should contain minimum ____% fat and ___% SNF.

Which of the following is high analysis fertilizer?

Steam engine is an example of

Mallika is the cross between 

When the production of both inter crops is equal to that of its solid planting, it is known as