Question
Which of the following statements are correct about weed
shift? Statement I - Susceptible species are killed by the weed management practices while resistant ones grow, reproduce, and increase in the community, resulting in a weed shift. Statement II - A weed shift means that the habitat of a weed species is changed due to change in environmental conditions.Solution
Weed shift refers to change in composition or relative frequencies of weeds in a weed population in response to natural or human-made environmental changes in an agricultural system is known as weed shift.
During germination, seeds absorb water by
The best example of multistoried cropping is?
Red colour in tomato is due to
Part of atmosphere in which maximum portion of ozone layer is located?
Which compound enhances herbicide action in plants?
Which of the given is not a straight fertilizer?
The variety of sugarcane which has the ability of ratooning is
The ratio between C and N crop residue generally ranges between __ ?
Trichoderma viride, a bioagent to control some diseases in crop plants, acts as:
‘Millets’ were among the first crops to be domesticated in India with several evidence of its consumption during the Indus valley civilization. In I...
Relevant for Exams:
