In which part of insect body, Johnston's organs are

Tikka disease of groundnut spreads fast under the conditions of:

Crop able to survive under high (pH-5) acidic conditions is:

Flooding method of irrigation is used, when

Under the National Mission for Sustainable Agriculture (NMSA), which technology/method is encouraged to increase water use efficiency in farming?

Somatic embryogenesis is a desired method of plant regeneration for plant transformation because

Calculate water requirement of a plant using following details :

Pan evaporation-6 mm

Row to row spacing-10 m

Yield of crops losses due to weed infestation is:

Depth of nursery pond should be between:

Which of the following type of mouth parts present in Cockroach & grasshopper?

Okta scales ranges from