10 Harmful Effects of Organic Herbicides - Weedtechnics

10 Harmful Effects of Organic Herbicides

Jeremy Winer

Organic herbicides are chemicals that have been used to kill weeds. They have become a common way to control weeds in commercial and residential settings. For this reason, they’re commonly referred to as weed killers. 

However, it is important to note that not all herbicides on the market are created equal — some are more harmful than others. This blog will discuss the harmful effects of herbicides on the surrounding environment and what measures you can take to protect yourself and your family from their harmful effects.


A woman spraying organic herbicides

Organic herbicides can cause a lot of complications in the long run (Photo by Gustavo Fring)


Reduced Ability Of A Plant To Capture Sunlight.

Herbicides reduce the ability of a plant to capture sunlight. This means that the plant will not grow as well and will be less productive.

Herbicides can also interfere with photosynthesis, which is the process by which plants convert light into energy. The herbicide binds to certain proteins in the chloroplasts, preventing them from absorbing light and converting it into energy.

Herbicides can also block a plant’s ability to transport nutrients throughout its root system. Herbicides cause plants to have stunted growth and leaves that are smaller than normal. They may also die back or become dormant during hot summer months when they should be growing vigorously.


Groundwater Contamination.

Herbicides are increasingly being used to control invasive plant species. While these herbicides may be less harmful than other methods of control, there is still a risk that they will spread into groundwater and contaminate drinking water supplies.

Herbicides can enter the soil from rain and other runoff, as well as from application equipment. When they do so, they can leach into groundwater and contaminate the water supply.

The long-term effects of herbicide contamination on groundwater are not well understood. However, studies have shown that there may be increased levels of arsenic in groundwater near areas where herbicide use has been high or where there are pastures that have been sprayed with herbicides for decades. These contaminants can cause health problems such as skin irritation and rashes.


Water contaminated by organic herbicides

Organic herbicides can leach through nearby bodies of water, causing problems in aquatic life.


Herbicides Destroy Biodiversity.

Herbicides destroy biodiversity by killing plants and insects. They also kill beneficial insects that control pests, and affect the health of children who play in herbicide-treated fields.

Herbicides are dangerous to human health. They have been linked to cancer, birth defects, and other health problems. They can be absorbed through the skin and can cause damage to internal organs such as the liver, kidney, and heart.

Organic herbicides don’t work as well as synthetic ones, so farmers need more of them to get the same results. This can lead to overuse of these chemicals on small farms with limited resources available to monitor their use closely.


Herbicides Kill Insects That Are Beneficial To Plants.

Herbicides are designed to kill plants, but they can also have a significant impact on insects. While some insects, such as aphids, can damage plants, many others play an important role in pollination or act as predators of harmful pests. When herbicides are used indiscriminately, they can kill these beneficial insects, throwing off the natural balance of the ecosystem. 

In some cases, this can lead to an increase in pest populations that can damage crops. In other cases, it can reduce the amount of pollination that takes place, impacting plant reproduction. Therefore, it is important to use herbicides with care and only target specific plants that are causing problems. By doing so, we can minimise the impact on beneficial insects and help to protect the environment.


A bee pollinating a flower.

Insects likes bees are important for biodiversity. Using herbicides can reduce their numbers significantly.


Soil Organisms Are Killed By Pesticides.

Just as we need food to survive, so do the tiny organisms that live in the soil. These include bacteria, fungi, earthworms, and many others. They play an important role in breaking down organic matter, aerating the soil, and providing nutrients for plants. Unfortunately, pesticides can kill these important creatures. 

When pesticides are sprayed on crops, they don’t just stay on the plants- they can also end up in the soil. There, they can poison and kill the very organisms that make healthy soil possible. As a result, farmers who use pesticides may find that their crops suffer from poorer yields and more disease. 

Soil health is essential for sustainable agriculture, so it’s important to be mindful of the potential risks of using pesticides. Whenever possible, choose methods of pest control that are safer for soil organisms.


Herbicide Toxicity Can Lead To Reproductive Abnormalities.

Herbicide exposure is a major concern for agricultural workers and those who live near areas where herbicides are applied. Some common herbicides are known to be toxic to humans and animals, and studies have shown that they can also cause reproductive abnormalities. 

For example, one study found that men who were exposed to the herbicide Roundup had a significantly higher risk of fathering children with birth defects. Another study found that women who were exposed to the herbicide 2,4-D had an increased risk of miscarrying. 

These studies suggest that herbicide toxicity can have serious consequences for human health. Anyone who is exposed to herbicides should take precautions to protect themselves from potential harm.


The use of herbicides can also cause reproductive abnormalities.

Long-term exposure to organic herbicides can cause reproductive abnormalities not just in animals but in humans as well.


Disruption Of The Endocrine System.

While herbicides can be effective at controlling plant growth, they can also cause disruptions to the endocrine system. The endocrine system is a network of glands that produce hormones that regulate the body’s growth and function. 

When herbicides come into contact with the endocrine system, they can interfere with hormone production, leading to a variety of problems such as fertility issues, birth defects, and cancer. In addition, herbicides can also enter the food chain and contaminate drinking water supplies. As a result, it is important to use herbicides carefully and only when absolutely necessary.


Appetite Loss, Vomiting, Diarrhoea, Headaches, Lethargy, etc. 

It’s important to be aware of the potential side effects that they can have on your health. Appetite loss, vomiting, diarrhoea, headaches, lethargy and dizziness are all possible harmful effects of herbicides. If you experience any of these symptoms after using a herbicide, it’s important to seek medical attention immediately. 

In some cases, herbicides can also cause skin irritation or allergic reactions. If you have any concerns about using herbicides, be sure to speak with your doctor or a qualified pest control professional.


Headache, fatigue, lethargy may also happen when exposed to organic herbicides.

You can also experience fatigue, lethargy, appetite loss, and many more disease if you’re exposed to organic herbicides for long periods of time.


Damage To The Nervous System 

One of the most serious harmful effects of herbicides is damage to the nervous system. This damage can lead to a variety of problems, including paralysis, muscle weakness, and difficulty breathing. In extreme cases, it can even be fatal. 

Herbicides work by interfering with the normal functioning of the nervous system. This can make it difficult for the body to send and receive signals, leading to muscle weakness and paralysis. In addition, herbicides can also cause damage to the lungs and other organs. As a result, it is important to use these products with caution and only when absolutely necessary.


Damage To Organs And Tissues

Studies have shown that herbicides can damage organs and tissues, and potentially lead to health problems such as cancer, birth defects, and neurological damage. In addition, herbicides can contaminate water supplies and adversely affect wildlife. As a result, it is important to use herbicides with caution and only when absolutely necessary. 

When possible, herbicides should be applied by certified professionals who have the training and equipment to safely handle these products. By taking these precautions, we can help to protect ourselves and our environment from the harmful effects of herbicides.


Prolonged exposures to herbicides can cause organ and liver damage.

Prolonged exposures to organic herbicides can also cause organ and tissue damage.



Conclusion paragraph: We hope this article has helped you understand the importance of reading herbicide labels and following manufacturer’s directions. Applying herbicides properly is key to preventing damage to your property, crops, and surrounding environment. If you have any questions about how to use these products safely and effectively, please contact the manufacturer or visit their website for more information. Thank you for your time.


About the Author : Jeremy Winer

Jeremy Winer has 30 years of practical experience in implementing integrated holistic approach to organic weed management across urban landscapes, recreational parklands and wetlands. He currently runs Weedtechnics specialising in providing chemical reduction and non-toxic weed control programs to municipalities across Australia. He has developed, patented, manufactured, and commercialised the Steamwand method of creating saturated steam for vegetation control.