Why do farmers use pesticides and fertilizers?



Farmers use pesticides to: protect crops from insect pests, weeds and fungal diseases while they are growing. prevent rats, mice, flies and other insects from contaminating foods whilst they are being stored. safeguard human health, by stopping food crops being contaminated by fungi.

Why pesticides are used by farmers?

Pesticides are used to control various pests and disease carriers, such as mosquitoes, ticks, rats and mice. Pesticides are used in agriculture to control weeds, insect infestation and diseases. There are many different types of pesticides; each is meant to be effective against specific pests.
Jun 13, 2022

Why do farmers use Fertilisers?

The role of fertilizers in food production is usually underestimated. Fertilizers are food for plants. Fertilizers replace the nutrients that crops remove from the soil. Without the addition of fertilizers, crop yields and agricultural productivity would be significantly reduced.

What are the advantages of using pesticides?





Comparison Table for Advantages and Disadvantages of Pesticides

Advantages of Pesticides Disadvantages of Pesticides
It helps to grow more food by preventing pests It increases the danger of impact on human health
It helps in making food cheap and easily available It effect on other life species such as bees, butterflies

How do pesticides and fertilizers affect the environment?

Impact on environment



Pesticides can contaminate soil, water, turf, and other vegetation. In addition to killing insects or weeds, pesticides can be toxic to a host of other organisms including birds, fish, beneficial insects, and non-target plants.

Why do farmers use fertilizers Class 6?

To grow healthy crops full of nutrients, farmers need to ensure they have healthy soil. Without fertilizers, nature struggles to replenish the nutrients in the soil.

Why do farmers use fertilizers Class 7?

To retain soil fertility it is necessary to replenish nutrients by returning to the soil at least the same amount. So we use fertilizers which contains the essential nutrients. Fertilisers provide plants with the essential chemical elements needed for growth particularly nitrogen, phosphorus and potassium.

How do fertilizers and pesticides affect crops?





Excessive use of fertilizers and pesticides by farmers in agriculture to enhance crop yield is detrimental to environment and human health. Fertilizers and pesticides use has led to the problem of air, water and soil pollution.

What are the pesticides used for farming?

Examples of pesticides are fungicides, herbicides, and insecticides. Examples of specific synthetic chemical pesticides are glyphosate, Acephate, Deet, Propoxur, Metaldehyde, Boric Acid, Diazinon, Dursban, DDT, Malathion, etc.

Why are crops sprayed with pesticides?

Pesticides are used to protect crops against insects, weeds, fungi and other pests. Pesticides are potentially toxic to humans and can have both acute and chronic health effects, depending on the quantity and ways in which a person is exposed.
5 days ago

What are pros and cons of pesticides?

Top 10 Pesticide Pros & Cons – Summary List

Pesticide Pros Pesticide Cons
Pesticides can increase crop yields Pesticides can harm the health of farmers
May improve the growth behavior of plants Pesticides may contaminate crops
Can help to stop the spread of diseases May lead to soil pollution

How do fertilizers help farmers Class 8?

Fertilisers are the nutrient rich chemical substances that are added to the soil to increase the fertility of the soil. Use of fertilisers increases the fertility of the soil and results in better yields of food crops when added in required amount to the soil.



Why do farmers use manure and fertilizers in their fields Class 8?

Manures and fertilizers are used in fields to supply plant nutrients to the soil,, increasing soil fertility to ensure good vegetative growth that results in high crop production. It helps in enriching the soil with nutrients, organic matter and increasing soil fertility.

What are fertilizers short answer?

Fertilisers are additional substances supplied to the crops to increase their productivity. These are used by the farmers daily to increase the crop yield. These fertilisers contain essential nutrients required by the plants, including nitrogen, potassium, and phosphorus.
Feb 25, 2020

Why are crops sprayed with pesticides?

Pesticides are used to protect crops against insects, weeds, fungi and other pests. Pesticides are potentially toxic to humans and can have both acute and chronic health effects, depending on the quantity and ways in which a person is exposed.
5 days ago

Why a farmer uses pesticides in field during agricultural practices Class 8?

A farmer uses pesticides and fertilizers in the agricultural field. Explanation: Farmers utilize pesticides to help control the thousands of weed species, harmful insects, and plant diseases that can affect the quality of crop.
Aug 27, 2020

What are the benefits of using organic pesticides?

Natural pesticides are biodegradable, barely leave residues in the soil and are less likely to harm humans or animals. In addition, they are cheaper and more accessible in less developed countries. Farms provide food for people and increase pest populations.



Do we really need pesticides?

Without crop protection, including pesticides, more than half of the world’s crops would be lost to insects, diseases and weeds. Pesticides are important. They help farmers grow more food on less land by protecting crops from pests, diseases and weeds as well as raising productivity per hectare.

Are pesticides good or bad?

After countless studies, pesticides have been linked to cancer, Alzheimer’s Disease, ADHD, and even birth defects. Pesticides also have the potential to harm the nervous system, the reproductive system, and the endocrine system.
Jul 25, 2011