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Villagers in Gongzi Village spray pesticide and apply fertilizer to rice to help increase yields
Villagers near Gongzi Village in Xishan Town, Congjiang County, Guizhou Province, spray rice with pest-control chemicals. It is currently the summer management season, and farmers across Congjiang County, Guizhou Province...
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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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How to apply insecticides scientifically? Correct methods and techniques
To control crop pests with pesticides and achieve the best insecticidal effect, in addition to selecting the right targeted agent and applying it at the right time, you should also pay special attention to the following two issues that are easily overlooked. Different agents and different application methods should be chosen according to the part of the plant the pest damages, so that the pesticide is delivered to the right place. For example, for pests that damage...
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When is the best time to apply wheat herbicide?
Weeds in wheat fields show their first and largest emergence peak 15-20 days after wheat is sown, and some weeds may show another small emergence peak in March of the following year. Through extensive experimental observation, there are 3 key periods for weed control in wheat fields. 1. Before wheat emergence after sowing is an important period for controlling weeds in wheat fields...
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How to apply plant growth regulators to fruits and vegetables
Scientific and rational use of several plant growth regulators can effectively control the growth of fruit trees and vegetables at different stages, improve their quality and yield, and increase economic benefits. 1. Ethephon 1. Physical and chemical properties. The pure product is a white crystalline solid, easily soluble in water and ethanol, poorly soluble in benzene and dichloroethane, and in acidic solution...
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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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