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So insects won't eat the crops.
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∙ 6y ago
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What pesticides are used to kill insect pests?
Pesticides are used to prevent, kill and repel pests. The pesticides used to kill insects are attractants, fumigants, insecticides, pheromones and repellents.
When humans put pesticides on crops like corn and they eat it does the pesticide harm them?
no it is cleaned during processing
Should chemical pesticides be banned?
Chemical pesticides harm the ecosystem, the environment, and could be harmful to humans; however, without them, we would not be able to produce enough food for the current population. The best alternative is to put more energy into finding natural pesticides (such as garlic oil) which don't harm the environment, but keep insects from ruining the crops, and to make those natural pesticides available before banning chemical pesticides.
How are crops genetically modified?
They are genetically modified by controlling which ones reproduce. It is like a forced natural selection that is done by man in order to have desirable properties, like resistance to pesticides and herbicides.
What is a bad effect on spraying pesticides on crops?
One bad effect of spraying pesticides with planes is the potential for harming animals that may be in the area. Pesticides can drift, causing imbalances of nutrients in streams.
What are some domestic uses for sprayers?
A sprayer is a device used to spray a liquid. It can be used in agriculture, a sprayer is a piece of equipment that spray nozzles to apply herbicides, pesticides and fertilizers to agricultural crops.
How many times does a farmer spray pesticides?
As often as the crops need it. Any good farmer will not spray a crop until it needs it for some reason, mainly due to the expense. Some crops such as wheat may need only one or two sprays during the entire growing season. Fruit crops, however, may need sprayed with something or another once or twice a week.
What is a bad effect of spraying pesticides on crops with use of airplanes?
The prevailing weather conditions might blow the spray onto adjacent land - which could either contaminate neighbouring crops or affect any workers in the field.
Why do famers use pesticides?
Famers use pesticides the keep their crops healthy and to kill pests
What is the cost of spaying pesticides on crops?
The cost of spraying pesticides on crops is high. Between the effects on health, pollution, animal and crop losses, and the costs of the pesticides themselves the costs of pesticides in the United States alone each year is over $10 billion.
Why are some GMO crops classified by the EPA as pesticides?
Some GMO crops are genetically engineered to produce a substance that kills insects when they is eaten by them. It is for that reason that some GMO crops are classified as pesticides by the EPA.
These are sprayed on crops to protect them against pests?
Pesticides.
Did pesticides exist in 1793?
pesticides did exist in 1793 because they were trying to protect there crops from mosquitoes , insects, and animals.
Non-point source pollution?
spraying of pesticides on crops
Where can i find information about fimco atv sprayer?
ATV sprayers attach to your atv and spray down your lawn or crops with pesticides. To find out some more educational information about them try this website http://www.fimcoindustries.com/education_sprayer_basics.html
Does sevin bug spray lose its strength?
All pesticides do after a time
What is the recommened wind speed when applying farm pesticides?
The recommend wind speed when applying farm pesticides is the lowest speed possible. It is ideal to spray pesticides when the wind is almost still.
