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What are the control methods for whiteflies? Master these tips to effectively eliminate the pests
What harm do whiteflies cause? What control methods are there for whiteflies? We ask experienced netizens to help explain. Whiteflies, also called small white moths, are a worldwide pest that occurs everywhere in our country. Whiteflies harm cucumber, kidney bean, eggplant, tomato, chili pepper, winter melon, beans, lettuce, as well as Chinese cabbage, celery, large...
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How to improve the efficacy of glyphosate? These methods you need to master
How to improve the efficacy of glyphosate? Which methods are simple and easy to use? We also ask knowledgeable netizens to help introduce them. Glyphosate is a common herbicide. During application, external factors affect how well it works, so Zhongdiwang has compiled methods for improving the efficacy of glyphosate, listed in detail below for...
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How to control aphids on fruit trees? These methods are simple and effective
How to control aphids when growing fruit trees? Please introduce effective and practical control methods. The harm caused by aphids: when aphids pierce and suck plant sap, they secrete saliva, and because this saliva is toxic to plants, after it is injected into plant tissues it often causes leaf spots, curled and wrinkled young leaves, galls, tumors and various other types of damage...
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How to choose a fungicide? Master these key points for scientific disease control
How to choose a fungicide? Which fungicides are good? Please give an introduction. China's vegetable planting area has exceeded the planting area of oilseed crops, making vegetables a major crop in China. The biggest problem in vegetable production is the control of pests and diseases, especially disease control, which is a difficult problem in vegetable production. In vegetable disease control...
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How to determine pesticide phytotoxicity? These judgment methods are worth knowing
How to determine pesticide phytotoxicity? Please provide an introduction to the methods. For phytotoxicity caused to crops, the existence of factors such as disease, nutrient deficiency, and crop physiological disorders increases the difficulty of identification. When phytotoxicity occurs and crop growth is abnormal, the following points should be noted in diagnosis: First, the abnormal...
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How to choose herbicides for banana plantations? Master these key methods
How to choose herbicides for banana plantations? Bananas generally grow in tropical and subtropical regions with good light and temperature conditions, and the planted area in Guangdong is relatively large. To improve production efficiency, most banana plantations in our province use chemical weed control technology. Banana growers should pay attention to the following points when choosing herbicides: 1. Banana roots are relatively shallow...
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How to avoid herbicide damage? Keep these preventive methods in mind
1. Choose the right herbicide variety; for unfamiliar varieties or ones not previously used locally, it is best to conduct a trial first. 2. Use safeners to prevent damage. For example: before sowing corn, use NA (1,8-naphthalic anhydride) antidote at 0.5%-1.0% as a seed coating, which can protect corn fields from thiocarbamate herbicide damage...
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How to use herbicides in vegetable fields safely? Master these key application points
Weeds in vegetable fields are a major problem in vegetable production. Hand weeding is both labor-intensive and backbreaking, so the vast number of vegetable growers need to use herbicides in vegetable production. However, vegetables come in many varieties, have short growing periods, high multiple-cropping indexes, and complex crop rotations, and there are also many types of herbicides. If used improperly, they can easily cause herbicide damage, or even total crop loss...
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To improve insecticidal effectiveness, these essential preparations cannot be skipped
For Chinese honey locust leaves, take 1.5 kg of fresh leaves, mash them, add 1.5 kg of water, filter out the residue, and keep the juice. For every 1 kg of juice, add 4 kg of water and spray; this can effectively control cotton aphids and red spider mites. For chinaberry leaves, take 0.5 kg of fresh leaves, mash them, add 3 kg of water, soak for half a day, and filter out the residue. Take the liquid and spray; it can control cotton aphids, red spider mites, cabbage caterpillars...
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There's more to choosing an insecticide than meets the eye: remember these four things to look for
(1) Derris extract is a botanical insecticide extracted from the roots of derris, with contact and stomach poison action, and is quite effective against aphids and lepidopteran larvae. It is extremely safe for humans, livestock and crops, and is especially suitable for use on fruit, vegetables, tea and mulberry; the usual spray is a 500-800 times dilution of 2.5% derris extract emulsifiable concentrate. (2) Bacillus thuringiensis belongs to Bacu...
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