The present invention relates to a herbicide to remove Spartina anglica C. E. Hubb and Spartina alterniflora Loisel living in the sea, which comprises: 45-55 wt% of sulfate of zinc (based on 7 wt%) 5-8 wt% of potassium sulfate (based on 98 wt%) 1-5 wt% of magnesium sulfate (based on 15 wt%) 2-5 wt% of citric acid (based on 98 wt%) 5-10 wt% of boracic acid (based on 98 wt%) and the remainder consisting of water.COPYRIGHT KIPO 2018본 발명은 바다에 서식하는 갯끈 풀(Spartina anglica C. E. Hubb)과 갯줄 풀(Spartina alterniflora Loisel) 제거를 위한 제거제에 관한 것으로, 황산아연(7% 기준) 45~55중량%, 황산칼륨(98% 기준) 5~8중량%, 황산마그네슘(15% 기준) 1~5중량%, 구연산(98% 기준) 2~5중량%, 붕산(98% 기준) 5~10중량%와 잔량 물로 구성된다.
