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Pesticide Use

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Pesticide Use - Page Text Content

S: Pesticide Use

FC: Pesticide use

1: Herbicide | Insecticide | Bactericide | Fungicide | There are four different types of pesticides: insecticides, herbicides, bactericides, and fungicides. They are a substance or mixed substances that are used to kill insects, weeds, bacteria, and fungi.

2: Insecticides destroy insects with chemicals that are poisonous to them. The insecticides are sprayed onto plants that are being destroyed by insects so that when the insects try to eat the plant, they will get poisoned and die. | Herbicide is used to destroy plants that are unneeded. The herbicide must be applied to the unwanted plant. The chemicals of the herbicide will bore into the plant until it reaches the enzymes. This causes damage to the plant and the plant will die. | Bactericide is used to kill bacteria. They are made of substances that kill bacteria. Some bactericides prevent the bacteria's capability of the process they need to multiply. Others intervene with the development of the cell wall or other parts of the cell. | Fungicides disturb the metabolism of fungal pathogens, which causes the fungi to die.

3: Many farmers use pesticides on their crops to protect them. For example, apple trees are sprayed with insecticides to kill any insects that could destroy the apples. Another example is tomato farmers using herbicides. The herbicides kill all the plants except for the tomatoes so that the tomatoes will get all the nutrients in the soil and won't have to compete with other plants for food

4: Some ways pesticides are spread are: - they get carried on the wind - remains on produce or in produce - get into running water which will also affect seafood

5: Short term affects of pesticides are: - will kill harmless plants or will travel somewhere else and kill other plants that are useful - kills useful creatures such as honeybees, earthworms, birds, frogs, fish, snails

6: Long term affects of pesticide use: - pre-birth babies may have growth and behavioral issues (birth defects) - 70% increase of risk of getting Parkinson's disease - liver and kidney gets damaged - blood and brain disorders - increases risk of cancer - asthma

7: Most pesticides are toxic to humans and animals. When animals drink infected water or eat infected plants the pesticides cause them to become sick. Many of them die because when animals get sick in the wild there is no one to cure them so they get weaker and weaker until they are not strong enough to live. When humans ingest the pesticides the may feel lightheaded or dizzy. when time passes and if they have ingested enough they will have high chances of getting cancer, their children, may have birth defects, and many other health problems. Sometimes if enough is ingested the toxins will cause death.

8: Pesticide use is not safe because: - kills innocent plants - spreads all over the place - makes animals sick and can kill them - when eaten makes humans sick and can cause diseases - it's better to eat food that is not that good quality than to eat food that has pesticides that can make you very sick

9: In the winter of 2006/07, more than 25% of bee colonies died. This was because the bees went to flowers that were affected with pesticides to collect pollen. The bees ingested the pesticides, which caused them to become sick and die. bees are natural pollinators and are important to plant life. If this continues plants will not have bees to pollinate them. Therefore, this means that they will not be as healthy.It is estimated that because of this, it will badly impact the agricultural economy.

10: Making pesticides is also dangerous. One time a manufacturing plant in Bhopal, India accidentally 40 tonnes of toxic chemicals used to make pesticides. Almost 300 people were immediately killed. In total, around 15 000 people died. Presently, almost 100 000 people still suffer from mild to severe permanent damage because of this catastrophe.

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  • By: Katharine C.
  • Joined: over 4 years ago
  • Published Mixbooks: 1
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  • Title: Pesticide Use
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  • Published: over 4 years ago

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