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Question
Pesticides are used on large scale for increase in yield. They are in fact a type of poison that enters the food web through water and food and its bio-magnification occurs. Various pesticides like DDT, malathion, chloropyriphos, etc., have been proved to be dangerous. Suggest some alternatives to use of these pesticides.
Long Answer
Solution
- Chemical fertilizers and pesticides are completely prohibited in organic farming, and local, robust varieties are used instead to preserve the natural balance. biological pest management methods include the use of pheromones, bacteria, viruses, and entomopathogenic fungi. the release of other creatures, like natural parasites and pest predators. Crop rotation is another option. Planting a different variety of vegetables in each region of the plot every year will assist to prevent insect infestation.
- Effective methods for keeping pests away from valuable crops include polyculture and the use of trap crops.
- Handpicking is a time-consuming but incomparable mechanical method. To remove visible insect and weed pests, gloves can be used. Mechanical controls such as barriers and traps can be used to capture or impede pests.
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