blanched soilThe bleached-layer soil is a layer of soil formed by the loss of clay particles and/or free iron dioxide, sometimes accompanied by the in-place condensation of iron dioxide. Its color was mainly determined by the sand particles and powder particles that formed the whiteness. The bleached layer was usually composed of bleached substances, including segregated iron-Mn agglomerations, agglomerations, and patches. The whiteness itself showed the characteristics of the color, such as a tint lower than 2, a moistened lightness greater than 3, a dry lightness greater than 6, and so on. The thickness of the blanched layer was generally between 20-30cm. Its distribution and formation in the soil are related to the clay content, iron dioxide content, water eluviation and drainage of the soil. There was a specific level of diagnosis for the bleached layer in the soil systematic classification. For example, there was a classification for the bleached layer in both the Chinese soil systematic classification and the American soil systematic classification. However, there were still some disputes and differing views on the cause and nature of the bleachers.
soil pesticideThere are many types of soil pesticide to choose from. The following are some commonly used soil pesticide:
1. Imidacloprid: It has the characteristics of systematic absorption, high efficiency, wide spectrum of insects, long duration, etc. It is suitable for controlling piercing-sucking mouthpart pests, such as aphids, leafhoppers, planthoppers, whiteflies, thrips, etc.
2. Acetamiprid: It has the characteristics of strong internal absorption, low dosage, good quick-acting, high activity, long duration, etc. It is suitable for controlling pests of vegetables, fruit trees, potatoes, tobacco and other crops.
3. Thioxam: It has the characteristics of contact toxicity, stomach toxicity, and internal absorption activity. It has higher activity, better safety, wider pesticide spectrum, faster action speed, and longer effective period.
In addition, there are other pesticides such as phoxim, high-efficiency cyhalothrin, etc., but you need to pay attention to the selection of suitable pesticides to avoid the use of organic phosphorus pesticides and high-efficiency cyhalothrin that is easy to cause allergy.
It should be noted that different pests may have different reactions to different pesticides. Therefore, before using soil pesticides, it is best to understand the types of pests and choose the appropriate pesticide for spraying or soil treatment.
A handful of soil, the antonemyWhen a handful of earth was used to explain "a handful of earth", its antonymous was "clear at a glance"; when it was used to explain "the name of the grave", no corresponding antonymous was found.
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There is no blackening novel with soilHe recommended a few novels. I Love My Home in the Siheyuan. The author is Tea Is Very Sweet. It's about urban business and the workplace. It was about crossing into the world of Love in the Courtyard and thinking about how to live well in an era of lack of materials. Living for yourself, home is a warm harbor.
" The top is coming, the White Beard Group's leader can't hide." The author was named the coachman, and the light novel was derived from the same person. Krogdahl traveled through the Great Voyage World and became the captain of the White Beard Pirates. He wanted to survive but activated the strongest comic book system. There were Krogdahl as the male lead, the white-bearded male supporting role, Nicole Robin as the female lead, and so on.
The author of the novel,'The Abbot of Shaolin Temple after the 1980s,' was a mysterious Eastern fantasy. The young man after the eighties had transmigrated to become a monk and abbot. He was bound by the system. Although he was unwilling, he had embarked on the path of leading Shaolin to the peak. He was the founder of the system style. Although there were some flaws, it was worth watching.
Wasteland, author Dark Sky Devil, sci-fi apocalyptic crisis genre. It described the different choices in the face of the virus. It had a sense of realism from the end of the world. Although the ending was bad, the setting was not bad. It was a masterpiece of the wasteland sect.
The author went home to wait for death, and the heavens were infinite. The male protagonist, Yang Shou, evolved in the heavens in order to survive. He changed from a chess piece to a chess player and finally died with others to evolve into a new world.
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The fragrance of soil in novelsThere was currently a novel called " The Fragrance of Earth ", but there was not much detailed explanation about this novel. There were also some literary works that mentioned " soil fragrance " in the description. For example, in the reading experience of White Deer Plain, it was mentioned that it seemed to smell the fragrance of soil. This reflected that the soil fragrance of the novel might be an expression of the local flavor, rural life scenes, and cultural implications. For example, White Deer Plain showed the local style of the Guanzhong Plain through the story of White Deer Village, people's life and labor, etc. These elements may together form the local characteristics of the novel like " soil fragrance." In addition, when authors created literary works such as novel collections and poetry collections, the names of their works also contained soil elements, such as "The Soil of the Kiln Transformation", which might also be a manifestation of this local flavor in literary works.
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