多穗高粱(?)杈多,适于密植,这样为灌心叶治螟增加了麻烦,1958年在黄县农场用666与过磷酸钙混合液试喷于多穗高粱上,隔日检查杀虫率达96%,大面积应用也没发生问题,基本上制止了螟虫(玉米螟与高粱条螟)的为害。混喷比单喷减少了手续,既节约了劳力,又达到了及早消灭螟虫为害与适时根外追肥的目的。 Multi-spike sorghum (?) Twigs and more suitable for close planting, so as to pour Cypriot leaf borer increases the trouble, in 1958 Huang County farm with 666 and superphosphate mixture spray test on more spike sorghum, the next day to check the insecticide Rate of 96%, large-area application has not been a problem, basically to stop the borer (corn borer and sorghic stem borer) damage. Mixing spray than a single jet reduces the formalities, which not only saves labor, but also to achieve the early elimination of stem borer damage and timely root top dressing purposes.