A shopkeeper sells an article for Rs 78 and earns

Sweet potato aphid attacks mainly on ................................?

Which plough helps cutting of creeping or spreading grass and inversion?

Beneficial elements of plant are:

A. Sodium

B. Vanadium

C. Selenium

D. Cobalt

Choose the correct answer from the options given below

Which among the following refers to the Seed priming  :

Highly boron water has B concentration_____ppm

The Agricultural Prices Commission (now known as the Commission for Agricultural Costs and Prices) was established in:

Mulch used for which purpose by the farmers? 

Why is cast iron commonly used for making the body of centrifugal pumps?

For application of 45 kg N and 115 kg P2O5, how much the following quantity of DAP is required?

Pest which occurs in isolated locations is known as