What will come in the place of question mark (?) in the

If water is held in the soil at tension above 15 atm, is it available to the plant?

Lt. Col. Albert Mayer started a project called:

The Rhizobium species suitable for soybean crop is 

Amrapali is a cross of-

Thalamus of hypogynous ovary is 

At what PF wilting percentage arrives

Which company is manufacturing nano urea in India?

Bent neck is an important physiological disorder of which of the following flower crop? 

In haustellate mouthparts used for piercing and sucking, the stylets primarily derived from the mandibles are known for their:

Which content in phosphatic fertilizers required for grade?