Reducing the plowing activities of agricultural land, restores productive earthworms and helps maintain soil structure and nutrient recovery.
Scientists say earthworms can damage earthworms through traditional tillage methods in agricultural fields, according to scientists.
The findings, published in the scientific journal Global Change Biology , show a systematic decline in the earthworm population that plows every year. The deeper the soil, the more damage to earthworms.
Scientists from the University of Vigo Spain and University College Dublin Ireland have conducted 3 field studies in 2 countries since. In each of these cases, earthworm populations were studied under traditional plowing conditions and other forms.
“What we are seeing is a systematic decline in the earthworm population after soil plowing and their dramatic increase in less manipulated soil,” said Professor Olaf Schmidt, associate professor of the University of Agriculture and Food Technology at Dublin University. “However, in some soil types it can take up to ten years for the good effects of this recovery to be seen.”
According to the findings, the types of earthworms that are most vulnerable to tillage operations are those that are longer and move between layers of soil and nest among them (Ansic earthworms). Small earthworms that live in the upper layers of the soil and convert the ash into surface soil (epigic earthworms) have also been found to be severely damaged.
Farming activities without plowing have been shown to significantly increase the earthworm population. Scientists have noted that reducing this type of agricultural activity is increasingly accepted around the world because it has many benefits to the environment and controls soil erosion and protection.
“Our study also identified the conditions under which earthworms showed the greatest response to reduced plowing activity,” explains Professor Maria Braves of the University of Vigo. Available to farmers all over the world. “
“For example, strong results have been obtained in soils that contain more clay content (above 5% clay) and less ph and retain the residual material from the harvest. “The use of pesticides that kill weeds doesn’t have much effect on earthworms that respond to reduced plowing activity.”
Earthworms are critical to maintaining soil function and the services we expect to provide to the ecosystem. The great biologist Charles Darwin calls earthworms “plowmen of nature” because they consume and refine soil continuously and increase their fertility during the process.
In his experiment of the late 1980s, Darwin discovered that there are about 5,000 earthworms living in acres of land, each producing dozens of tons of surface soil annually.
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