Strategy to reduce greenhouse effect

A new study shows that a new method to combat biofuel climate change may not cause much damage to animals in the soil as previously published studies.

Earthworms perform many essential functions and benefit soil ecosystems such as improving soil structure and mineralizing nutrients. However, their ability to perform these functions can be destroyed when exposed to toxic substances.

Picture 1 of Strategy to reduce greenhouse effect
Biochar does not have as much impact on earthworms as people think.
(Illustration).

A geologist at Baylor University, together with Rice University scientists, tested the effect of a new soil additive called biochar on earthworms. They found that wetting biochar before using it mitigated the earthworms.

Biochar is increasingly concerned by concerns about climate change caused by carbon emissions and other greenhouse gases . This coal is a byproduct of renewable energy and produces plant fuels such as forestry waste. It is a form of coal that works to increase soil fertility and plant growth by keeping water and nutrients, and storing carbon in the soil for hundreds of years. However, previous studies have suggested that biochar can cause great harm to earthworms.

Dr. Bill Hockaday, associate professor of geology, Baylor University, co-author of the study, said: ' Due to the wide use potential, it is necessary to minimize the unintended consequences of using enriched biochar. for land cause. The results show that depending on rainfall and irrigation, need to wet biochar before or immediately when used for soil to prevent the disappearance of earthworms and maintain their beneficial effects on soil. '.

Scientists also said biochar does not affect the reproduction of earthworms.

Dong Li, co-author of the study, said: ' Most importantly, we are the first to demonstrate that biochar does not reduce the immune system of some sensitive organisms in the soil. This is an important step for a very promising strategy in the fight against climate change '.