胡萝卜幼苗生长缓慢,杂草为害严重,可结合间苗进行中耕除草,也可应用除草剂杀草,省工省时,效果明显。如每亩用48%氟乐灵乳油100～150克,加水稀释200倍左右,在胡萝卜播种后均匀喷于土面,杀草率达90%左右。胡萝卜病虫害较少,常见病害主要有软腐病、菌核病。软腐病可用农用链霉素100～200ppm或70%敌克松原粉500～1000倍液 Slow growth of carrot seedlings, weeds severely damaged, can be used in conjunction with thinning cultivation of weeds, herbicides can also be used to kill grass, save time and labor, the effect is obvious. As with 48% of trifluralin EC per 100 acres, 200 times diluted with water, evenly sprayed on the soil after sowing carrots, kill grass rate of 90%. Carrot less pests and diseases, the main common diseases are soft rot, sclerotinia. Soft rot available agricultural streptomycin 100 ~ 200ppm or 70% of the enemy’s original powder Mok 500 to 1000 times the liquid