The pesticide network learned from the Yangzhou Institute of Industrial Technology that a new invention of the school can make straw into bio- pesticide . These bio-pesticides are not only harmless to humans, but also improve the soil environment and at the same time degrade the chemical pesticide residues in the land. At present, this invention has obtained national patents. Straw waste utilization "Transformed" biological pesticides, obtained national patents The smoke produced by burning straw can cause serious pollution to the air and damage people's health. Is straw really useless? A new invention by Tian Liansheng, a professor at the School of Chemical Engineering at Yangzhou Institute of Industrial Technology, turns straw into a treasure. Tian Liansheng introduced that the machine he invented can convert straw into a biological pesticide . Biological pesticides are harmless to the land and the human body. More importantly, if a piece of land has been damaged by pesticides, it can also improve the soil environment through biological pesticides. From fertility to fertility. Tian Liansheng told reporters that in 2007, when he was working at the Institute of Biology of the Hebei Academy of Sciences, he noticed the "potential" of straw. “In the past, we found that corn stalks could be used as feed. Later I was inspired to make straw into bio-pesticide.†This is the first time that straw has become a bio-pesticide. "At present, we can 'turn waste into treasure' to make corn stalks, and have applied for national patents." It is reported that this research has become one of the school's key experimental projects. What is the principle? Cultivating Trichoderma in Straw How does straw become a biological pesticide? Originally, there is a keyword called "Trichoderma". Simply put, the bactericidal function is Trichoderma, and the straw becomes the best "soil" for the growth and reproduction of Trichoderma. The specific operation steps are: firstly sterilize the straw and then grind it into powder, then put it into a special machine, and add certain moisture and salt to ensure proper humidity and temperature. In this way, after the inside of the machine is "created" into an environment suitable for the growth of Trichoderma, the cultivated Trichoderma is put in the laboratory. In this way, Trichoderma will multiply in the straw powder. Finally, the straw powder taken out of the machine is still in its original shape, but there are many more invisible Trichoderma. So why put the Trichoderma in the straw powder? "Because we found that Trichoderma is very 'like' corn stalks, it is easier to multiply in corn stalks." What is the difference between straw powder containing Trichoderma? "Trichoderma has a bacteriostatic effect. When Trichoderma spp. which is abundantly produced in straw powder enters the land, it will 'eliminate' the harmful ingredients to plants and soil." It is to absorb the nutrition of "competitors" and let harmful ingredients be suppressed. “And Trichoderma itself is harmless to crops and humans.†Can also degrade pesticide residues The cost is not high will be actively promoted In this regard, some people are puzzled: the production of straw powder containing Trichoderma is more troublesome, why not directly spray pesticides? “Chemical pesticides, which are our traditional pesticides, are all toxic.†Tian Liansheng said, and it will cause damage to the micro-ecological environment of the soil, and will also cause pesticide residues, no matter for crops or for human health. it is good. Biopesticide not only inhibits harmful components in the greenest way, but also degrades chemical pesticide residues in crops. “You can remove 60%-78% of pesticide residues, and increase beneficial microorganisms in the soil to improve the soil environment.†“A lot of people think that straw is useless, and it is better to make it into a biological pesticide than to deal with it. It makes more sense.†Tian Liansheng said that bio-pesticide is 30% cheaper than traditional pesticides in terms of cost. Because it is waste utilization, the cost of making bio-pesticide from straw is not high. “The only uncertain cost may be transportation.†However, if the entire machine can be set up in a relatively close area of ​​crop growth, it can still save costs. "In fact, it can increase production." A person in charge of the school said that in the next step, they also hope to actively promote the project. More bio-pesticide information, please pay attention to pesticide network
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Abandoned straw transforms into biological pesticides