The US, UK and Canada are among countries that have

Identify the cropping practice adopted in regions prone to climatic uncertainties, involving the cultivation of crops without definite row arrangements.

ICAR – National Institute of Abiotic Stress management is located at ____

Which allelopathy type involves the release into the environment of compound that is toxic after chemical modification by micro-organisms? 

Heart rot of sugarcane, hollow stem of cauliflower, top sickness of tobacco are the specific deficiency symptoms of:

The relationship between two organisms, where both of them benefit from each other is called:

Which cotton species is recognized as "American cotton" or "Upland cotton" and has an allelotetraploid chromosome number?

When a cross is made between offspring and its recessive parent , it is known as 

Etawah Pilot Project was launched under the leadership of 

What is the seed rate of hybrid cotton with a spacing of 120 × 60 cm?

The bacteria responsible for oxidizing Fe2+ - Fe3+ (ferrous to ferric form) under acidic  environment is_?