Which of the following letter-clusters should replace #

RRB came into the existence in the year _______.

Which of the following techniques is employed to determine the nutrient status of a standing crop and involves collection and analysis of plant tissues?

Crops grown to supplement the yield of main crops are called

One of the following is the seed borne diseases:

Which of the following is the major cause of post-harvest losses in perishable horticultural crops?

The C horizon in a soil profile primarily consists of:

In the context of Agribusiness cooperatives, what does "value chain integration" refer to?

Place the following jelly making steps in the correct order-

(A). Add sugar, boil and remove any scum.

Phenol reacts with zinc dust gives:

The success of 'green revolution' during 1960s was only possible due to the dwarfing gene. Dwarfing gene in rice is ……………………..