Which among the following factors does not contribute to

Jaya, a high yielding variety developed in India which outyield both its parent was a cross between _____

Water requirement of crops is the amount of water needed for:

The increase in the input, irrigation, manpower, fertiliser and capital to the farm is known as: 

Match List-I with List-II

Which term describes the amount of oxygen consumed by microorganisms during the breakdown of organic materials in water?

Which component of the seed is first to respire during germination?

Lt. Col. Albert Mayer started a project called:

Which of the following given options does not have a cell wall?

What is the function of potassium in plants?

Which crop does not contribute to food grain production?