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What pesticide should be used for diamondback moth? A mix of 1 gram per 10,000 jin of water gives very good control.
A concentration of 0.05 ppm and a concentration of 0.0125 ppm (an extremely, extremely small dosage). 0.05 ppm means adding 25 grams of technical-grade pesticide to "1 million jin of water". In other words, 10,000 jin of water...