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在防治农作物病虫害时,根据每亩药液用量的多少,通常把喷雾划分为高容量喷雾、低容量喷雾和超低容量喷雾三种。高容量喷雾,又称常规喷雾,亩用药液量20—120斤,喷雾器的喷孔直径1.3毫米。低容量喷雾,亩用药液量2—20斤,喷孔直径0.6—0.7毫米。超低容量喷雾,亩用药液量2斤以下,需用特殊的喷雾机具—电动超低容量喷雾器喷施。
In the control of crop pests and diseases, according to the amount of liquid per acre, the spray is usually divided into high-capacity spray, low volume spray and ultra-low volume spray three. High-capacity spray, also known as conventional spray, mu amount of liquid 20-120 pounds, spray nozzle diameter 1.3 mm. Low-volume spray, mu drug solution 2-20 pounds, spray hole diameter 0.6-0.7 mm. Ultra-low volume spray, the amount of liquid mu 2 kg less need to use a special spray equipment - electric ultra-low volume sprayer spraying.