Which entity annually collects data on trade

Give the chronological order in the development of following herbicides

A. Atrazine

B. 2, 4-D

C. Bispyribac Sodium

Which soil structure type is characterized by horizontal, plate-like aggregates?

What is the primary role of organic matter in soil?

Floor space required for a cow in a covered space in sq. feet? 

Which pest causes leaves to fold longitudinally and larvae remain inside during severe infestation?

Family of Sarpagandha (Rouvolfia serpentiana) and its use/property are 

On the basis of climatic condition, Walnut is an example of which type of fruit crop?

A classical example of anadromous fish affected due to obstruction of the migratory pathway by dams is……………..

In which of the following technique, DNA from different sources are isolated and digested with restriction endonuclease?

Among the following, Parmigiano Reggiano is ……………..