@article{1071, author = "Ali Mohamed El-Tayeb Hussein", abstract = "When herbicide are used , it is necessary to know the level of potential danger on living organisms in treated area by evaluating them hygienically. In hygienic evaluation are used some indicators like oral and dermal toxicity, lethal concentration for 50% in atmosphere zone. Also, can calculate pesticide overload and agro-ecological evaluation that suggested by some scientists. All the above mentioned indicators are calculated when we evaluate Granstar and Cowboy herbicides which belong to sulfonylurea's group that consider to be the modernist herbicide group.", issn = "23483997", journal = "IJRAS", keywords = "Pesticides, Health Status, Overloading, Agro-Environmental Toxicological Assessment", month = "May", number = "3", pages = "97-102", title = "{T}he {A}gro-{E}cological {E}valuation to {S}ome {S}ulfonylurea’s {H}erbicid", volume = "9", year = "2022", }