Common methods for identifying pesticides based on their appearance: (1) Phoxim: A colorless liquid with a faint pungent odor. (2) Dieldrin: A light yellow or brownish liquid with a slightly astringent taste. (3) Copper sulfate: A bright blue solid, tasteless, often referred to as "blue vitriol." (4) Carbendazim: A white or grayish-white powder with a mild odor. (5) Captan: A white powder with a peppery smell. (6) Diazinon: A red solid powder. (7) Triadimefon: A yellow powder with a slight peppery scent. (8) Glyphosate: A light yellow liquid with an odor. (9) Trifluralin: A red liquid that turns yellow when mixed with water. (10) Bentazon: A light yellow liquid with a peppery odor. (11) Butachlor: A light blue liquid with a fragrant aroma. (12) Dimethoate: A light yellow, scented liquid. Understanding the labels on pesticide containers is essential for safe and effective use. Here are some common terms found on pesticide labels: (1) pH: This indicates the acidity or alkalinity of the solution. A pH of 7 is neutral, above 7 is alkaline, and below 7 is acidic. The further the number is from 7, the stronger the acid or base. (2) ppm: Parts per million, used to express concentration. For example, 1 ppm means 1 part of active ingredient in 1 million parts of the solution. (3) % (Percent): Indicates the percentage of active ingredient in the product. (4) AI: Active Ingredient, the component responsible for the pesticide’s effect. (5) LD: Lethal Dose, the amount required to kill an animal. (6) LD50: The dose that causes death in 50% of test animals, commonly used to assess toxicity. (7) ED: Effective Dose, the amount needed to achieve a desired effect. (8) Bé: Baumé degree, a measure of the density of a solution, often used in agricultural applications. (9) MAC: Maximum Allowable Concentration, the highest level considered safe for exposure. (10) Wt: Weight, usually listed in grams or kilograms. (11) SG: Specific Gravity, the ratio of the density of the solution to that of water. (12) SP: Water-soluble powder, designed to dissolve in water. (13) EC: Emulsifiable concentrate, a liquid formulation that mixes with water. (14) WP: Wettable powder, a dry formulation that can be mixed with water. (15) GR: Granules, a solid form of pesticide, often labeled as 5% GR. For more detailed information about pesticides, their safety, and usage, you can visit the China Pesticide Network. Always read and follow label instructions carefully to ensure proper handling and application.
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