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The book ‘Crop Nutrition – Principles and Practices’ was written by Rajendra Prasad.
ln which order of insects peritrophic membrane is not found?
Match List I with List II
Choose the correct answ...
Time (in min) required to kill a known population of micro organism under certain conditions at given lethal time is ___
Which one of the following is the nutrient has a key role in biology N-fixation?
"Every object will remain at rest or in uniform motion in a straight line unless compelled to change its state by the action of an external force" is:
Which one of the following is a neutral fertiliser?
Heavy infestation of which of the following causes poor ploughing performance?
Under conservation tillage soil aggregates stability (%) increases because of
Safe seed moisture content for sealed storage is
The creation of utility by the way of marketing is called as
