Which type of farming involves clearing tracts of land by burning, cultivating for a limited period, and then abandoning the land for a number of years?

What is maximum optimal temperature for wheat crop?

Micronutrient malnutrition leads to:

Chronological development in commercial use of herbicide is

A. Triazines

B. Phenoxyalkanoic acids

C. Dinitroanilines

Which of the following statements is/are true?

Statement A: When rice grows under aerobic conditions coleorhizae emerges first.

‘My Plate for the Day’ which promotes health, prevents hidden hunger and protects from diseases was developed in the year?

Which crop is badly affected by the increase of RH?

What will be rotational intensity of Rice-wheat-ragi-fallow?