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What herbicide works well for weed control at the corn seedling stage?
What herbicide is good for weed control at the corn seedling stage? Please note that using Yunongle herbicide at the corn seedling stage gives very good weed control results. Yunongle is also called nicosulfuron, and its formulated product is a 4% suspension concentrate, with a dosage of 1.5 liters of 4% Yunongle suspension concentrate per hectare. The specific application method is as follows: 1. Application timing: 3-5 leaves after corn emergence...
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Can glyphosate be used to control weeds in corn fields?
Can glyphosate be used to control weeds in corn fields? Please explain: glyphosate should be used with caution for weed control in corn fields, for the following reasons: First, users lack understanding of the properties of glyphosate and cannot clearly distinguish between systemic and contact pesticides. After glyphosate solution is absorbed by corn leaves, it will not only damage the leaves it touches, but the entire plant will...
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What precautions should be taken for chemical weed control?
What should be noted in chemical weed control? Please provide an introduction. Chemical herbicides have the characteristics of strong selectivity and strong specificity. Their application technology requirements are more stringent than those for insecticides and fungicides, and improper use often causes phytotoxicity. To give full play to the role of herbicides in agricultural production, the following seven points should be noted during use....
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What are the commonly used fungicides and preservatives for bananas?
Which fungicides and preservatives can be used for bananas? Please give an introduction. The following products can be used as banana fungicides and preservatives: (1) Chlorothalonil is a broad-spectrum fungicide with good preventive action against fungal diseases in many crops, but it has no systemic translocation action, so once the crop has been invaded by pathogens and they have entered the plant body...
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Correct application methods for the low-hazard fungicide propamocarb
How is the low-hazard fungicide propamocarb applied? Please provide an introduction to the application methods. Reference application methods for the low-hazard fungicide propamocarb are as follows: 1. To control damping-off and rhizoctonia rot in cucurbit seedlings, use a 500-fold propamocarb solution, spraying at a rate of 0.75 kg of solution per sq m, spraying 1 to 2 times over the entire seedling-raising period...
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How should copper-based fungicides be used properly? Key points of application explained
How should copper-based fungicides be used properly? Please explain the application method. Copper-based fungicides, as one of the important fungicides, have the characteristics of being the earliest developed and applied, the longest used, the largest application area, the best sterilization effect, and the most uses. Copper-based fungicides can prevent and control both fungal diseases and...
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Correct Usage Methods to Improve Fungicide Efficacy
How can fungicide efficacy be improved? Please explain the methods for enhancing efficacy. To improve fungicide efficacy, you can use the following methods: Reasonably prepare the concentration. Different fungicides have special requirements for their use concentration. When preparing the concentration, you must strictly follow the "instructions for use" and must not arbitrarily increase or decrease it....
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How to apply agricultural fungicides for the best effect?
How are agricultural fungicides applied? Here are the methods. Agricultural fungicides are chemical agents that can directly kill the spores and mycelium of fungi or bacteria, or inhibit the growth and development of pathogens. 1. Agricultural fungicides must be used before crop diseases occur or in the early stages of disease. Fungicide use differs from insecticide and acaricide use. Insecticides and acaricides...
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What are fungicides, and what are the main types?
What are fungicides? How many types are there? Here is an introduction. Chemical substances that can kill or inhibit the growth of certain bacteria or fungi that cause plant diseases when used at a certain dose or concentration are called fungicides. There are two main principles by which fungicides control diseases: chemical protection and chemical treatment. Chemical protection is...
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What is the function of fungicides and what is their sterilization principle?
What are the functions of fungicides and how should they be used? Please give an introduction. There are two modes of action of fungicides: one is protective fungicides, and the other is systemic fungicides. Protective fungicides directly contact the pathogenic bacteria outside the plant body or on the body surface, killing or inhibiting the pathogenic bacteria, making it impossible for them to enter the plant, thereby protecting the plant...
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