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Every farmer has to answer this for him/herself. Integrated Pest Management (IPM) should always be considered when the crop is being planned. Contact-kill pesticides should never be applied until the number of pests has risen to a level where economic damage is occurring. Once the number of pests has risen to an unacceptable level, only approved pesticides should be applied by a trained, licensed operator.
Wiki User
∙ 12y ago
Wiki User
∙ 13y agoBy reading, understanding, and carefully followingthe instructions printed on the pesticide label. It is always a violation of US federal law to use any pesticide in any manner inconsistent with its label.
The label contains vital information on application methods, pests controlled, applicator safety epuipment, cautions which must be followed for the protection of the environment, and crops which may be treated with that particular pesticide.
Wiki User
∙ 11y agoPesticides are sprayed on crops for a number of reasons.
- To suppress plants which compete with the crop, reducing yield (herbicides)
- To suppress organisms which eat, suck on, or chew on the crop, causing injury (insecticides, rodenticides, miticides, etc.)
- To prevent or suppress disease (fungicides, bactericides, etc.)
- To change the growth patterns of the crop in some way (growth regulators, hormones, etc.)
Pesticides should always be considered the last resort in a well-planned program of Integrated Pest Management.
Wiki User
∙ 14y agoThe EPA approves & the AG department regulates usage.
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Why do famers use pesticides?
Famers use pesticides the keep their crops healthy and to kill pests
Should pesticides and herbicides be used on organically grown crops?
Only those compounds which have been specifically approved for organic use.(By the way, herbicides are pesticides.)
Why do we spray pesticides on crops?
So insects won't eat the crops.
What has the author Walter L Ferguson written?
Walter L Ferguson has written: 'Pesticide use on selected crops' -- subject(s): Crops, Pesticides
What is bad effect of spraying pesticides on crops with the use of airplanes?
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 is the bad effects of spraying pesticides on crops with use of airplanes?
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 is a bad effect of spraying pesticides on crops with the use of airplanes?
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 is the limit of pesticides to be allowed to protect food crops?
The United States Environmental Protection Agency sets a limit of pesticides that are allowed to protect food crops. Those limits vary depending on the crop, the pesticide, its toxicity, and use patterns.
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.
How might these genetically-engineered crops impact the environment?
They will help the environment by allowing farmers to use fewer pesticides.
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.
