The scientific name of dammer bee

Green house technology is introduced in Indian during

Which of the following is a fiber and oilseed crop?

According to CRIDA, the depth of deep tillage is ____

Width of cut in a disc plough can be increased by

Which of the following states belong to the Northern Zone of cotton production in India?

Bacteria responsible for oxidizing NO2-, NO3-in soils is __ ?

What is the ESP of saline-alkaline soils?

Demographic transition theory of population was proposed by

Whiptail disease of cauliflower occurred due to the deficiency of which of the following nutrient?

 Interveinal chlorosis with tints of red orange and purple colors are typical deficiency symptoms of__________