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First, the efficacy of the pesticide's emulsifiable concentrate is significantly higher than that of the suspending agent and the wettable powder. It is better to use the emulsifiable concentrate as the active ingredient of the same pesticide. However, the fungicide for foliar spray and the oil-based dosage form are not beneficial to the bactericidal action, and a suspending agent or a wettable powder should be selected. The herbicide for foliar spraying has a waxy layer on the surface of the weed leaves, and the emulsion containing the organic solvent, the concentrated emulsion, the suspending agent and the like can be selected. Formulations such as wettable powders, suspensions and the like which have good wetting and osmotic action are also available. Herbicides applied to paddy soils or soils are used in granules and other dosage forms that can be used to formulate toxic soils.
Second, as an alternative to the cream, the suspending agent is second to the emulsifiable concentrate, but significantly higher than the wettable powder. Since the particles of the suspending agent are much finer than the wettable powder, the various additives contained in the suspending agent facilitate the adhesion of the agent particles to the surface of the living body, thereby improving the efficacy.
How to choose and use pesticides
In response to the problems of many pesticides on the market and the difficulty of selecting pesticides for farmers, this reporter interviewed Wang Xinglin, director of the Pesticide Professional Committee of the China Chemical Industry Association. He suggested that farmers should decide which one to choose based on crops and control objects, application equipment and conditions of use. Formulations and preparations are suitable.
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