& BDULRASOL, Asaad. EVALUATION STUDY FOR SOME AVAILABLE SOIL POTASSIUM EXTRACTION METHODS AND ITS RELATIONSHIP WITH ABSORBED POTASSIUM BY BARLEY CROP. IRAQI JOURNAL OF AGRICULTURAL SCIENCES, [S. l.], v. 48, n. 6 B, 2017. DOI: 10.36103/ijas.v48i6 B.274. Disponível em: https://jcoagri.uobaghdad.edu.iq/index.php/intro/article/view/274.. Acesso em: 6 may. 2024.