suggest any two methods of controlling pests which are based on biological principles
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importation
conservation
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Two methods controlling pests that are based on biological principles are augmentation,importation,competitors etc.
Explanation:
Biological control is a pest management technique which is applied in the agricultural field to kill the pests causing damage to the yield production.
It relies on predation,parasitism,introduction of different insects,other natural mechanism.
Augmentation-
The process of introducing predator,or parasite in the agricultural field to control pest population.
Importantion-It is a biologically controlling mechanism that is applied in agricultural field to control the economically threshold pest population.
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