What is the use of fertilizers and pesticides?

Article by: Miriam Tirado Son | Last update: April 10, 2022
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They are used by farmers on a daily basis to increase crop yields. Fertilizers contain the essential nutrients that plants need, such as nitrogen, potassium, and phosphorus. They increase the water retention capacity of the soil and also increase its fertility.

What is the use of fertilizers?

The use of fertilizers allows agricultural producers to obtain a higher production. Fertilizers are substances rich in nutrients that are used to improve the characteristics of the soil for a greater development of agricultural crops.

What are fertilizers and pesticides?

They are substances that contain nutritional elements or chemical compounds for plants, in such a way that they can be absorbed by plants. They are used to increase production, replenish and prevent nutrient deficiencies and promote plant health improvement.

What are the benefits of using fertilizers and pesticides?

Fertilizers, such as ammonia or animal manure, increase crops. Chemicals, such as insecticides and herbicides, help control the presence of unwanted plants or insects. Many agrochemicals are toxic, and all have an impact on both the environment and crops.

What is the use of pesticides?

Pesticides are used to protect crops from insects, weeds, fungi, and other pests. They can be toxic to humans and cause both acute and chronic health effects, depending on the amount and mode of exposure.

38 related questions found

What is the use given to pesticides in public health?

Pesticides are intended to: kill organisms that cause disease and endanger public health. control insects, fungi and weeds that damage crops. control pests that destroy homes and structures vital to public safety.

What is the use of pesticides in agriculture?

types of pesticides

    Algaecides are used to kill and/or slow the growth of algae. Desiccants are used to dry out living plant tissues. Defoliants cause plants to lose their leaves. Fungicides are used to control fungal problems such as mold, mildew, and rust.

What are the advantages of using fertilizers?

Advantages of chemical fertilizers

    Higher production per hectare. … Floor adjustment. … Response to critical crop situations. … Ability to adapt to specific needs. … Soil degradation. … Groundwater contamination. … Salt burns. … Exaggerated growth.

What are the advantages and disadvantages of using fertilizers and pesticides?

Advantages and disadvantages. Plants require nutrients that they take from the air and the soil, when the nutrients in the soil are ample, the plants grow better and produce more fruits. Fertilizers give the soil the nutrients it lacks. ◊ Crop yields double or triple.

What are pesticides and how are they classified?

Pesticides can also be classified according to their commercial presentation in: powders, liquids, gases and tablets. This classification is useful in application practices, preparation of formulations or risk prevention.

How do fertilizers and pesticides affect the soil?

The indiscriminate use of pesticides has generated numerous environmental problems worldwide, such as the destruction of natural ecosystems, soil infertility, crop loss and water pollution (Hernández, 2011).

How do fertilizers and pesticides pollute the environment?

Excess nitrogen and phosphates can infiltrate groundwater or be washed into watercourses. This nutrient overload causes eutrophication of lakes, reservoirs and ponds and leads to an algal bloom that suppresses other aquatic plants and animals.

What are the types of fertilizers?

We can highlight four types of fertilizers:

    Inorganic fertilizers. … Organic fertilizers. … Organic-mineral fertilizers. … Amino acids, seaweed and humic extracts.

What is fertilization?

It consists of providing plants with easily available nutrients from chemical fertilizers (Valverde et al., 1998).

What is a fertilizer and what types are there?

A fertilizer or manure is a type of inorganic or organic substance, natural or synthetic, that has nutrients that can be assimilated by plants and that is added to the soil to maintain, supply and increase certain essential elements of the same, for the growth of plants. the plants.

What are the disadvantages of using fertilizers and pesticides?

Their use means that some of them can be extremely dangerous, and can pollute the air, the land, other crops, the waterways. They can even kill wild animals, household pets, and humans.

What are the disadvantages of using fertilizers and pesticides in agriculture?

Pesticides seep into the ground and contaminate the water. As they spread through the environment, they accumulate in fish and birds with sometimes fatal results. Animals absorb pesticides through their fur and can breathe air near an area sprayed with pesticides.

What are the disadvantages of fertilizers?

Learn about the environmental effects of chemical fertilizers

    Soil infertility. … Acid soils. … Increase of microorganisms. … Underground water pollution. … Salt burns. … Excess growth.

What are the advantages and disadvantages of using organic fertilizer?

Inorganic fertilizers have some problems if they are not used properly:

    It is easier to cause eutrophication in aquifers (increased biomass of algae). They degrade soil life and kill microorganisms that make nutrients available to plants.

What pesticides are currently used on crops?

Organophosphate insecticides, endosulfan, herbicides (2,4-D, paraquat and glyphosate) and fungicides (chlorothalonil and mancozeb) are the predominant ones, that is, they are applied more frequently. Most of them have harmful effects on health.

What are the effects of pesticides on the environment and health?

This causes, on the one hand, the immediate contamination of the abiotic environment —soil, surface and groundwater, and air— and, on the other, the death of various sensitive organisms that were not intended to be affected, such as insects, which are natural enemies of insects. pests or those that man considers beneficial.

How does the use of pesticides affect the environment and health?

In intoxicated living beings, the damage caused by these products can range from direct death itself to a multitude of cell damage, failure of the immune system, the appearance of all types of tumors, physical deformities or physiological effects (decrease in the thickness of the shells of the eggs).

What is the relationship between pesticides and human health?

We know that the use of pesticides, generally in agriculture, in addition to bringing production benefits, brings with it great risks to human health, such as: teratogenic effects, damage to the central nervous system, infertility, cancer, eye damage, skin, mucous membranes, immune system, and lungs.

How are manures and fertilizers classified?

Classification of agricultural fertilizers

According to their origin, agricultural fertilizers can be classified into organic, inorganic and biofertilizers. Organic fertilizers correspond to the group of compounds of animal (manure and waste) and vegetable origin.

What are the fertilizers for plants?

Among the great variety of organic fertilizers we find the following:

    green manure It is a compound that contains an extra supply of nitrogen. … Compost. It is obtained by means of previously fermented organic matter. … Manure. …Guano. … Peat.

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