A plane electromagnetic wave travels in vacuum along the

Ex situ green manuring can be done by ___

The major part of soil type found in Madhya Pradesh is:

Match the following:

Taxonomic significance of striations and lateral lines in nematodes is

What category does Arabica belong to?

Karl fisher reagent is used in the estimation of ____

Famine of Ireland was due to

Which one of the following crops are grown to increase soil fertility?

Which of the following nutrient element is immobile in soil but mobile in plants ?

Mycelia and spores of the fungi are seen as whitish growth on the host surface in which disease?