weeding toolIn ancient times, the main farming tools used for weeding were hoes. The hoe was an early farming tool that could cut or cut off weeds underground, but it could not dig roots to avoid damaging the roots of crops. Ancient farmers controlled weeds according to their habits to prevent them from flooding in advance. Other than hoes, there were other farming tools that could increase farming efficiency, such as water carts and sickles. The waterwheel was a tool for irrigation, while the sickle was a tool for harvesting crops and cutting grass. The development of farming tools in ancient times was closely related to the changes of the times. The farming tools used in different periods and regions were also different.
Weeding does not reboundThe following are some ways to prevent rebound after weeding:
** 1. Physical method **
1. ** uprooted **
- Use a small shovel to remove the weeds from the roots. If the roots of weeds were left in the soil, they would easily grow again, especially those weeds with stems at the bottom of the roots. Therefore, the roots must be pulled out together when cleaning, but this method was more energy-consuming and time-consuming.
- In dry weather, the weeds were scooped up with a hoe and directly placed on the soil to dry. However, this method might not be thorough because the roots of many weeds were still in the soil, and it was easy to drop weed seeds.
2. ** Overwrite Suppression **
- Covering the soil surface with things such as bark, leaves, pine needles, straw, etc. These mulches could suppress the growth of weeds and maintain the moisture in the soil, which was good for cooling the roots. Weeds needed light to grow, and if the mulch blocked the light, it would be difficult for the weeds to grow.
- In the winter, covering the soil with a layer of cloth could prevent the roots from getting frostbite. In the north, covering the soil with a thin film could not only increase the temperature and humidity, but also prevent weeds from growing.
3. ** High-temperature treatment **
- For some weeds that grew in the cracks of the rocks, they could be removed by watering them with boiling water. The high temperature of the boiling water could kill the weeds.
- Weeds in the corner of the wall can be removed with salt or baking soda. Saline-based substances can remove weeds, but it should be noted that these substances will also cause damage to other plants, so don't use them in the soil to avoid affecting the growth of flowers or vegetables.
- Edible vinegar could be used to remove weeds because it contained components such as acetic acid and salt, which could absorb the moisture in weeds. If vinegar was sprinkled on weeds in a sunny environment, the weeds would wither after a few hours.
- The principle was to suck up the water in the weeds, causing the weeds to wither and die. However, it should not be sprayed when the weather was too hot to prevent the alcohol from evaporating too quickly and affecting the effect.
4. ** Set quarantine **
- He would arrange flower walls and flower borders, and build fences with cement blocks or bricks to isolate the weeds from the ornamental flowers. This way, it would be easier to remove the weeds in the flower beds.
** 2. Chemistry Method **
1. ** Use the right weed killer **
- For crop fields such as sorghums, chemical weeding methods could be used after sowing and before seedlings. For example, every 667 square meters, 200 - 300 grams of 25% cyanotoluron wetting powder, 50kg of water, and evenly sprayed on the soil surface; or a compound medicament such as 150 grams of 25% cyanotoluron wetting powder, 150mL of 50% benazuron cream, or 50mL of 60% butachlor cream, 45kg - 50kg of water, sprayed on the soil surface and other medicament formulas.
- There was also the fast grass, wind essence grass, and the like. Two bottles could be filled with a bucket of water to spray the weeds. It could be used in orchards, tea gardens, nurseries, field ridges, wasteland, Chinese herbal medicine, and other planting areas. It had a good effect on more than 50 kinds of weeds with strong resistance, such as ox tendon grass, water peanut, thatch grass, common grass, and cyperus rotundus.
- Glynosis was a broad-spectrum weeding agent that was effective for some annual and perennials. The principle of weed removal was to let the leaves of the weeds absorb the solution, and within 1 - 2 weeks, the solution would be absorbed by the leaves of the plant to the roots, thus eliminating the weeds. The concentration of the preparation was generally 2.5%. When using it, it should be carried out in a well-vented environment. After weeding, pay attention to cleaning your hands.
** 3. Agricultural Management Method **
1. ** Mowing and weeding **
- Manual weeding had a clear target and was easy to operate. Not only could it remove weeds between rows, but it could also remove weeds between plants. When weeding, you must seize the favorable opportunity to remove the weeds early, remove the small ones, and remove them thoroughly. You must not leave the grass behind and eliminate the weeds in the bud. Mechanical weeding was efficient, but it was not flexible. It was generally used on farms with a high degree of mechanized farming.
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Weeding methods for lawn weedsThe method of weeding the weeds on the lawn was as follows:
1. ** Using Herbicide **
- ** Choosing medicine according to different weed types **
- To control the pointed, broad-leaved, and composite weeds in the warm-season gramineous lawns (such as Beirut and Manila), you can use the warm grass energy + the cowherd + the floating green chrysanthemum. The specific usage is 2 - 4 bags of warm grass energy +1 bag of Kubuliu +1 bag of floating green chrysanthemum, mixed with 15 liters of water, sprayed on about 330 square meters, and the lawn needs to be turned into a lawn for more than three months.
- The broad-leaved weeds in the grass lawn could be used as a combination of Kokyuu and Eco Stickers. Add 15 liters of water to half a bottle of Kuobuliu +1 bottle cap of environmental protection paste. Spray it on about 330 square meters. It can only be used after the lawn has been turned into a lawn for more than three months.
- The sedge weeds in the grass lawn can be controlled by spraying about 330 square meters of water with 15 liters of water per bag (the lawn has been formed for more than three months).
- Use it to prevent pointed and broad-leaved weeds at the same time. Add 15 liters of water to each bag and spray it on about 330 square meters. However, use Jade Dragon Grass and dwarf dwarf
- To prevent grass, reeds, and other grass weeds, add 15 liters of water to a bag and spray 220 square meters.
- The stubborn weeds such as horse pond and beef tendon in gramineous lawn (cold type lawn) can be sprayed on about 660 square meters with 30 liters of water per bag. It can be used safely on both young and mature lawn.
- 100 million pieces of barren land, grass weeds with sharp leaves and broad-leaved weeds in hedges, mixed with 10 - 15 liters of water per bottle, sprayed on about 330 square meters.
- Dodder, rootless vine, can be mixed with 15 kg/200 ml of water, sprayed on about 600 square meters, can destroy the dodder absorption tissue, 18 - 20 days weeds will wither and is safe for garden plants.
- ** Points to note **
- It is not advisable to use it in the morning when there is dew. It can be sprayed around 10 - 11 am. It should be diluted twice before use. It should be used according to the normal concentration. It is better to spray it evenly when spraying. It is better to remove weeds early and remove small ones. Pay attention to the correct observation of the effect and the accurate observation time. Impurity or turbid water will affect the effect of the medicine.
2. ** Seal the weeds **
- In lawns, woodlands, and seedling fields, a weed sealing agent could be used. It would not decompose when exposed to light and could be evenly distributed on the surface of the soil to suppress the formation of weed seeds and buds, fundamentally controlling the growth of weeds. The specific usage is to mix 50 - 60 liters of water per bottle and spray it on about 660 square meters. After spraying, it can also be watered appropriately. The effect of the liquid medicine on the soil is good.
3. ** When the lawn is built **
- The first half of the year before sowing or establishment of the lawn is in the recovery period, and the safety factor of using weeding is low. It is recommended to use the floating green lawn seal to seal the weeds. Sand the lawn and plant it. After watering, spray the lawn evenly with Piaoling Turf Seal one week later.
4. ** Weed in spring **
- In the south, the last weeding medicine in autumn can be used to warm the grass, leave no weeds, and seal the lawn. The lawn will be free of weeds for about 6 months, and the medicine can be used 2 - 3 times a year.
- Weeding in the beginning of spring (mainly broad-leaved weeds): Don't leave a set meal, the lawn is covered with floating green, and the lawn is free of weeds for about 4 - 6 months.
- When there are no weeds on the lawn or a small amount of it does not affect the landscape effect, the lawn will be free of weeds for about 4 - 6 months.
5. ** Weed the hedges and shrubs **
- Newly-planted seedlings: Spray evenly on Piaolv Pingfeng. There will be no weeds in about 4 - 6 months, giving the seedlings sufficient time to recover.
- There are weeds in the hedgerow: the floating green hedgerow is covered with a net, and the floating green field is sprayed together. There are no weeds in about 4 - 6 months. The seedling density is enough, and the medicine can be used once a year.
6. ** Weed in the sea of flowers **
- The plants in the flower sea landscape have shallow roots, high density, and many varieties. It is not safe to weed. There is no particularly safe weeding agent on the market. When the seeds grow three leaves, the Piaolv Pingfeng can be sprayed or after the seeds are covered with soil, the Piaolv Pingfeng can be sprayed for 4 - 6 months without weeds. Sealing weeds were mainly targeted at annual gramineous weeds and some broad-leaved weeds. The medicine needed to be evenly contacted with the soil and could not be turned over to drill holes. Water could not be washed directly by water pipes.
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patriarch cold firePatriarch Cold Fire was a virtual character in the Xianxia novel " The Immortal World of Mortal Cultivation " written by Wang Yu. He was the founder of the Cold Fire Sect and had ascended to the Immortal World a million years ago. Patriarch Cold Fire was a middle-aged man with a square face, bright eyes, and a beard. He was tall and his robe was slightly bulging, emitting a dignified aura. There was no mention of Patriarch Cold Fire's ending or other details in the information provided so far.
While waiting for the TV series, you can also click on the link below to read the classic original work of " A Record of a Mortal's Journey to Immortality "!
The Story of Cold Fire" The Story of Cold Fire " was a fantasy novel that had been signed and was in the process of being serialised. The novel contained elements such as hegemony, hot-bloodedness, salvation, reasoning, and doomsday. As of September 17th, 2019, 10:58:19, the latest chapter was chapter 71: The Mission to the City. The author was the contracted author, Wu Xiake. The main character of the novel was an orphan named Han Yexing. He started from the siege of the apocalypse and struggled to survive in the chaotic world. Han Yexing's body was weak, and he had no affinity with spirit cultivators. He was just an ordinary recruit in Xunyang City, but after saving the spirit spirit Feng Xiluo and accidentally obtaining the spirit eye that could see through the essence of things, he began to sink into a huge conspiracy that involved a vast area.
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What are the drugs that are easy and convenient for weeding?The following are some of the more effective and convenient herbs:
- ** Propicide **: A diphenylether-type weeding agent. It can be used in soybean, corn, millet, and grain fields. It can remove broad-leaved grass and some narrow-leaved weeds in the field before or after sprouting. It can also be used in rice fields.
- ** Penfluralin **: A selective weeding agent for dry land crops. It is widely used to weed crops such as corn, soybeans, peanuts, cotton, direct sowing dry rice, potatoes, tobacco, and vegetables. It can prevent the growth of weed seedlings, and has a significant effect on annual gramineous weeds (such as barnyard grass, crabgrass, foxtail grass, etc.) and some broad-leaved weeds (such as purslane, amaranth, chrysanthemums, etc.).
- Benuron: A selective, system-absorbing, and transductive paddy field weeding agent that can effectively control annual and perennially broad-leaved weeds and sedges.
- ** Pretichlor **: A highly selective weeding agent for paddy fields. It is safe for paddy fields and has a wide weeding spectrum.
In addition, there was a self-made formula that could also be used for weeding. It was four taels of salt, four taels of white vinegar, three taels of white wine, and one tael of dishwashing liquid mixed with a bucket of water spray. It could remove a variety of weeds without harming the soil and crops, but this formula was not a traditional medicine. It should be noted that the production, sale, and use of the pesticide were prohibited.
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What type of medicine is a weeding agent?Herbicide was a type of pesticide used to eliminate or control weeds. It was also known as a weeding agent. Some of the plants that had the effect of causing the leaves to fall off were also called shedding agents.
According to their chemical structures, they could be divided into two types: the organic compound and the organic compound. There were many types of organic compounds, such as 2,4-D butachlor and benthuron. They were highly selective, less toxic, less used, widely used, and rapidly developed. There are more than 300 types of weeding agents in the world. Commonly used ones include clodinafop-propargyl, fenoxaprop-p-prop-p-p It could be used to control weeds with strong resistance such as ox tendon grass and water peanut.
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Feng Baobao became a weeding expertIn the finale of " Under One Man," the female lead, Feng Baobao, had few scenes but was very attractive. She developed a new profession as a weed killer. Feng Baobao could be seen operating the weeding machine to work in the field. She was skilled in cleaning the weeds. The uncle supervising her at the side praised her. Feng Baobao was talented and quickly learned how to weed and became a weeding expert.
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What are the types of herbs used for weeding?Herb-specific weeding agents mainly include the following types:
1. ** Universal Herbicide for Chinese Medicinal Herbs **: For example, Quizalofop-p-Ling can be used on all kinds of Chinese Medicinal Herbs. It can only be used after the true leaves have grown. After being absorbed by weeds, it will cause the weeds to die through two-way transmission in the body. The control effect is as high as 98%, and the effective period is 30 days. It has low residue and fast decomposition speed in the soil, and has no residual harm to the subsequent crops. 24 hours after the application, the medicinal liquid spreads throughout the whole weed, turns yellow in 2 - 3 days, and withers and dies in 5 - 7 days. It can be quickly absorbed and conducted by plants. Within 1 - 2 hours after the application, rain, ground temperature and other environments have no effect on the medicinal effect. It can control annual gramineous weeds such as crabgrass and foxtail grass.
2. Herbicide for Leguminous Chinese Herbs: It is suitable for Chinese Herbs such as Huangqi, licorice, clover, sweet clover, semen Cassiae, root of Kudzu, flavescent sophorum, etc. It was a new type of broad-spectrum, high-efficiency, internal absorption and transmission type Leguminous Chinese Herbal Medicine Post-seedling Herbicide. It could control annual gramineous weeds and broad-leaved weeds in Leguminous Chinese Herbal Medicine fields. It was suitable for weeding in Leguminous Chinese Herbal Medicine bases with high planting density and difficult manual weeding. Because the leguminous plants such as Huangqi and Shayuanzi germinated earlier, weeding after the seedlings needed to wait for the weeds to basically grow out. The spraying effect was good when the weeds were growing at the 2 - 4 leaf stage.
3. ** Herbicide for Umbrella Chinese Medicinal Herbs **: applicable crops include Angelica dahurica, Cnidium monninieri, Bukum, Sauron, Chuan Xiong, Angelica, Notopterygium, Fennel, Glehnia littorum and other Umbrella Chinese Medicinal Herbs. Umbellate plants such as Angelica dahurica and Glehnia root germinated earlier. Weeding after seedling should wait until the weeds were basically out. The effect of spraying was better when the weeds were growing at the 2 - 4 leaf stage.
4. ** Herbicide for Labiatus Chinese Herbs **: suitable for crops such as scutellaria, catmint, agastache rugosa, danshen, lavender, fragrant perilla, selfheal, scutellaria barbata and other Labiatus Chinese Herbs. It is a broad-spectrum, high-efficiency, and internal absorption and transmission type Labiaceous Chinese herbal medicine post-seedling weeding agent. It can control annual gramineous weeds, broad-leaved weeds, sedge weeds, and some perennials in Labiaceous Chinese herbal medicine fields.
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Steel is forged in fire and coldIn How Steel Was Tempered,"steel was tempered in fire and cold" had a profound symbolic meaning. The growth of the protagonist, Pavel Kochagin, was like the refining process of steel.
From the perspective of social background, the social unrest after the October Revolution in Russia was like a "fire". Paul was born at the bottom of society and was abused and humiliated. He experienced war, poverty, illness, and other hardships, which were like the test of fire. For example, he fought bravely on the battlefield, was injured many times, and faced the enemy's oppression and hardship.
However, under Zhu Helai's education, he slowly grew into a firm fighter of Communism. In the face of injuries, he was not defeated. He continued to write despite being blind and paralyzed in bed for a long time. This kind of indomitable spirit in the face of great difficulties and setbacks (sudden cold) was like steel that became tougher after quenching. It finally made him grow into a revolutionary warrior as strong as steel, reflecting the true revolutionary warrior's personal ideals and goals that should be closely linked to the destiny of the motherland and the people.