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Get Answers to all your Questions
Q1. Why should preventive measures and biological control methods be preferred for protecting crops?
Answers (1)
Preventive measures and biological control methods are used as they are simple, not expensive, environmentally safe and do not affect the soil quality. These methods are also harmless to other forms of life. The main purpose is to protect the crop from disease-causing pathogens and weeds. Some preventive measures are:
- Use of proper seedbed preparation, timely sowing of crops, intercropping and crop rotation.
- Avoiding the use of chemicals causes many environmental problems and leads to pollution.
- They can also enter the food chain and cause serious health problems to various life forms.
View full answer
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- 1500 families with 2 children were selected randomly, and the following data were recorded: 1 girl
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