Deficiency of B can be corrected through application of chemical fertilizer of________?

The inverted filter consists layer of materials of increasing ________ from bottom to top?

The value of coefficient of discharge in comparison to cofficient of velocity is found to be ________?

Causes of Soil are:________?

In sunflower, production of foundation seed requires as isolation________?

The experimental design which control fertility level in two directions is known as________?