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Applying pesticide fungicide as a root drench: the dosage ratio must be precise
It is now winter, the temperature in the greenhouse is low and the humidity is high, and crop pests and diseases increase accordingly. Root diseases of crops are one important category among them. To prevent and control...
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What unfavorable weather conditions should be avoided when applying pesticides?
What do the letters on a pesticide label mean? Here is an introduction: (1) pH: indicates acidity and alkalinity. When the pH value equals 7, it is neutral; above 7, it is alkaline, and the larger the number, the stronger the alkalinity. Below 7, it is acidic, and the smaller the number, the stronger the acidity; (2) PPm: parts per million concentration. That is, the number of pesticide parts contained in 1 million parts of liquid or powder; ...
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What are the methods for applying herbicides in watermelon fields?
How are herbicides applied to watermelon? What should be noted? To reduce and prevent mistakes in applying chemical herbicides to watermelon, the following issues should be noted in application technique. 1. Correctly select the herbicide. There are many herbicide varieties available for watermelon production, the most commonly used being 48% trifluralin emulsifiable concentrate, 25%...
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What are the precautions for applying herbicides to watermelon?
What should be noted when applying herbicides to watermelon? In order to reduce and prevent mistakes in applying chemical herbicides to watermelon, the following issues should be noted in application techniques. 1. Correctly select the herbicide. There are many herbicide varieties available for watermelon production, the most commonly used being 48% trifluralin emulsifiable concentrate, 25% nitrofen wettable...
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Methods for applying herbicides to wheat to prevent freeze-related herbicide injury
What herbicide is best for corn planting? Corn plants that preferably do not suffer herbicide injury are relatively sensitive to herbicides, so they should be chosen reasonably to avoid herbicide injury. For soil treatment, 40% atrazine-acetochlor aqueous suspension emulsion has high herbicidal activity, a long application period, and is safe for corn and subsequent crops. Before emergence after sowing or after emergence when weeds...
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What precautions should be taken when applying herbicides to corn seedlings?
What should be noted when applying herbicides to corn seedlings? Here is an introduction to chemical weed control technology in corn fields, which saves labor, saves effort, requires low input, and delivers high benefits. In recent years, the area where post-emergence herbicides for corn are applied in China's corn-producing regions has been expanding year by year. Because some applicators lack adequate application skills, some fields have experienced herbicide damage of varying degrees and...
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What should you pay attention to when applying fungicides?
What should you pay attention to when applying fungicides? Please give an introduction. When applying fungicides, pay attention to the following points: Concentration. When spraying with liquid formulations, it is often necessary to use water to prepare or dilute the agent to an appropriate concentration. Too high a concentration will cause phytotoxicity and waste, while too low a concentration will be ineffective. For some wettable powders, a small amount of water should first be added to make the powder into a paste, then...
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What precautions should be taken when applying fungicides as a soil drench to prevent pests and diseases?
What should be noted when applying fungicides as a soil drench to prevent pests and diseases? Here is an introduction. When applying fungicides as a soil drench to prevent pests and diseases, note the following points: 1. The choice of product must be reasonable: choose a fungicide that is highly targeted and has a strong disease-control function. Do not use products blindly; minimize waste as much as possible and avoid delaying the timing of control...
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What are the effects of applying fungicides? Understanding the main functions of fungicides in one article
What are the effects of applying fungicides? What are the differences? We ask knowledgeable readers to help explain. The effects of applying fungicides can be classified according to the effect of the agent on disease control, and are broadly divided into three categories: protective, eradicant, and curative. Zhongdiwang has compiled the effects of the above three categories of fungicides, listed below for...
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What are the precautions for applying biological pesticides?
What should be noted when applying biological pesticides? How can biological pesticides improve their efficacy? Experienced netizens are also asked to help explain. Biological pesticides refer to formulations that use living organisms (fungi, bacteria, insect viruses, genetically modified organisms, natural enemies, etc.) or their metabolites to kill or inhibit agricultural pests,...
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