It is not enough to promote the application of biological pesticides only in terms of green and environmental protection. Only by solving the problems that farmers are eager to solve, will they accept and consciously use biological pesticides. This edition will publish a series of “Popular Science Lectures†written by Professor Xu Jiang from Shenyang Green Spring Technology and Agricultural Resources Center in the near future, sharing his years of research and promotion of bio-pesticide with readers.
I borrowed Xu Jiang’s self-reported here. He said: “Not long ago, I went to Lantou County, Shandong Province, to the town of Shantou Village, where greenhouses have been planted for about 20 years, and the dead trees have been very serious for many years. Farmers It is said that the joints are still used for two years. After one year, they are not as good as one year. When they are the worst, they are out of production. I asked them how to solve them. They said that there is no way, and how much can be left in the end. I am very sad to hear here. When I said that as long as I continued to use the biological fertilizer to solve the problem and systematically explained the relevant concepts and methods, the farmers were very happy, and together with me said, 'Heavily in prevention, you insist! '"
It seems that as long as they feel the same with the peasants and effectively solve their difficulties, it is easy to untie their knots. As long as the ideological work of the peasants is done, the promotion of biological pesticides can find the most practical platform.
Wilt, yellow wilting, root rot, and green and dry diseases are known as plant cancers. The damage caused by nematodes is now becoming more and more serious. Chemical prevention can basically be said to be powerless. However, if biopesticides and biofertilizers are applied, adherence to prevention can solve the problem fundamentally.
Restoring good soil ecology is a fundamental measure
The long-term use of chemical fertilizers has led to the deterioration of soil ecology, which is the root cause of soil-borne diseases and nematodes. Microorganisms in the soil can be classified into beneficial bacteria and harmful bacteria (including nematodes). Beneficial bacteria are essential for improving soil and promoting crop growth. However, they rely on organic matter to survive and reproduce. Long-term use of chemical fertilizers reduces soil organic matter and beneficial bacteria are reduced due to deterioration of living environment.
Harmful bacteria (including nematodes) can enter the plant in the absence of organic matter, relying on the nutrient survival and reproduction of the plant. There is a trade-off between beneficial bacteria and harmful bacteria (including nematodes). The reduction of organic matter in the soil leads to a large reduction of beneficial bacteria, and the inhibition of beneficial bacteria is lost. The harmful bacteria and nematodes rapidly multiply and cause damage to crops. When the crop is killed.
A good ecological environment is conducive to the proliferation of beneficial bacteria and is not conducive to the survival of harmful bacteria and nematodes. According to this concept and taking corresponding measures, perseverance can fundamentally prevent soil-borne diseases and nematodes.
Continuous application of farmyard manure and biochemical fulvic acid
As long as the organic matter in the soil is greatly increased, the living environment of the beneficial bacteria can be improved, thereby promoting the proliferation of beneficial bacteria. If a large number of beneficial bacteria (including some beneficial bacteria that specifically inhibit harmful bacteria and nematodes) are artificially injected into the soil, it can be fundamentally Improve the ecological environment of the soil.
The easiest way to increase organic matter is to apply more farmyard manure, but farmyard manure must be fully fermented and decomposed. The easiest way to help the rapid fermentation of farmyard manure is to blend biochemical fulvic acid into the farmyard manure. Biochemical fulvic acid contains a large number of beneficial bacteria, and is a highly active humic acid, the best organic matter. Microbial agents are a large number of beneficial bacteria that are artificially propagated. By fully injecting the fully decomposed farmyard manure with biochemical fulvic acid and microbial agents into the soil, it is possible to gradually restore the soil's good ecological environment and lay a good foundation for preventing and controlling soil-borne diseases and nematodes.
This article URL: Prevention of soil-borne diseases and nematodes for biological pesticides in action
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