1.
Qardash اأ, Baabad مع. The use of chemical fertilizers in the cultivation of khat and its impact on the physical and chemical properties of soils in Al-Husain District, Al-Dhalaa- Yemen. Univ. Aden J. Nat. and Appl. Sc. [Internet]. 2020 Oct. 31 [cited 2024 May 18];24(2):345-56. Available from: https://uajnas.adenuniv.com/index.php/uajnas/article/view/83