Shakti, Rattan and Protina are three important lysine rich varieties of
Rice
Pulses
Wheat
Maize
Jojoba contains
Which one of the following proved effective for biological control of nematodal diseases in plants ?
What is required for nitrogen fixation by Rhizobium
First pesticide used by man is
Which one of the following is being tried in India as a bio-fuel substitute for fossil fuels?