What approximate value will come in place of the

'Double Zero' rapseed mustard refers to:

Green manure crop suitable for alkaline and water logged soil is

Possession by two or more species of a similar or identical character state that has not been derived by both species from their common ancestor is called

Weeds are the unwanted/ alien species of plants .Which one of the following weeds is aquatic?

Which is the first step involved in the implementation of the supply chain management system? 

Which term refers to the final phase in the Extension Programme Planning cycle, aimed at making improvements based on results?

Pollination by insects is called :

Gypsum is recommended in cultivation of:

The book, Historia naturalis was prepared by