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Sesbania rostrata is preferred as green manure over other species because -
Mycorrhiza work 's as -
Which of the following groups of herbicides is derived from urea, and is used for controlling weeds in tea, tobacco and cotton ?
Which of the following pest is eradicated by sterilisation technique?
Azolla increases rice productivity due to its association with -
Which of the following pairs serve as biofertilizers?
Carbamates are used as a
One of the following is a source of rubber:
Which insect was used to check the spread of cacti ?
Guayule is –
Answered - 0
Un-answered - 10