a. Diluted with water When spraying liquids to prevent diseases, insects and grasses, it is necessary to dilute the pesticides with water as a dilution. When diluting, first of all, pay attention to the quality of the water. The quality of the water is measured by its pH and hardness. The PH value is appropriate for neutrality; hardness of water above 10 degrees is called hard water, and water hardness below 10 degrees is soft water. Diluting the pesticide with hard water will reduce the suspensibility of the wettable powder or destroy the emulsifying properties of the emulsifiable concentrate, thus reducing the efficacy or causing phytotoxicity. So use soft water for dilution. Under normal circumstances, uncontaminated river, canal, lake, or rainwater is soft water. Second, the water used to dilute the pesticide should be clean and free of debris. b. Diluted by soil When soil is used as a thinner, the selected soil should be a moist fine soil without salt and alkali. The texture of the soil should not be too heavy and fine soil is better. The humidity is squeezed into a group by hand. When standing, it is easy to loosen after loosening the soil. c. When diluting, the dosage of the medicine and dilution must be accurately measured and must not be arbitrarily estimated. d. When diluting, the dilution and the drug must be fully stirred and mixed evenly. Precautions when using pesticides (1) At the time of dispensing, the dispensing personnel must wear rubber gloves. The dosage must be weighed according to the prescribed dose, and the dosage must not be arbitrarily increased. Do not mix medicine by hand. (2) The seed dressing should be stirred with a tool, how much it should be used, and how much it should be mixed. The seeds of the mixed herbs should be sown with a machine. If you throw or spread your hands, you must wear protective gloves to prevent the skin from absorbing poisoning. The remaining poisonous species should be destroyed and they must not be used as food or feed. (3) Dispensing and seed dressing should be conducted in a safe place away from drinking water sources and in residential areas. Special care should be taken to prevent pesticides and virus species from being lost or eaten by humans, livestock and poultry. (4) When spraying with manual sprayer, spray should be performed alternately. Both manual and mobile medical devices cannot be sprayed on both sides at the same time. When high winds and noon high temperatures should stop spraying. The medicine liquid in the medicine barrel must not be filled too far to avoid shaking out of the barrel and contaminate the body of the spraying person. (5) Before spraying, check whether the screws of the switch, nozzle, etc. of the medical device are tightly tightened, and whether there is any leakage in the medicine barrel to avoid leakage of the drug. If there is a blockage during the spraying process, flush with water before troubleshooting. It is absolutely forbidden to blow and suck the nozzle and strainer with the mouth. (6) Signs shall be erected in areas where high-toxic pesticides are applied, and grazing and mowing shall be prohibited within a certain period of time to prevent poisoning of humans and animals. (7) After the medication is finished, the nebulizer should be cleaned in a timely manner, returned to the warehouse with the remaining medicament, and not taken home. The sewerage used to clean the medical equipment should be properly handled in a safe place, and should not be spilled anywhere to prevent contamination of drinking water sources and fishponds. Pesticide packaging items are not allowed to contain foods, feedstuffs, foodstuffs and beverages. Empty containers, bottles, and bags loaded with pesticides should be treated in a centralized manner. Soaked used water tanks should be washed and stored centrally.
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