How to identify the fungicide streptomycin?
How to identify the fungicide streptomycin? Please give guidance on the method to identify true and false pesticide streptomycin as long as it is not difficult to master the identification method. Now several simple physical identification methods are introduced as follows: 1. Hand touch: the fungicide streptomycin is not slippery and sticky after a certain period of time. Fake medicine hand twist is smooth, and there is a "creak, creak" sound, this may be starch; the hand may not stick to the hand may be flour. 2. Water-melting method: the real medicine is completely dissolved into the water, showing a colorless and transparent liquid. The fake medicine is insoluble with water, and the white turbid liquid may be starch, and the slow sinking may be flour. 3. Heating method: the real medicine is still a colorless transparent liquid after heating with water. Starch is the translucent colloid of fake medicine after heating with water, and paste is flour after heating with water. Click to get more fungicide use technology click to get more pesticide use technology
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Can fungicides be mixed with microbial pesticides?
Can fungicides be mixed with microbial pesticides? Please explain that fungicides should not be mixed with microbial pesticides. Because many fungicides have a killing effect on microorganisms, mixing easily makes microbial pesticides ineffective. In addition, it should also be noted that: it is a variety of compound pesticides, and it is necessary to understand them before use.
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What problems should be paid attention to when filling roots with fungicides?
What problems should be paid attention to when filling roots with fungicides? Please introduce that in order to prevent vegetable root diseases, vegetable farmers often use fungicides to irrigate roots. Although the effect is good, some matters needing attention in root irrigation must not be ignored, otherwise there will be side effects. First, the shed that has used bacterial fertilizer does not use fungicides to prevent disease as far as possible. For.
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