Nature and properties of mollisols in a semiarid region in northern Jordan

References

• Chapman , H.D. 1965 . “ Cation‐exchange capacity ” . In Methods of Soil Analysis , Edited by: Black , C.A. 891 – 900 . Madison , WI : American Society of Agronomy . Part II.
   Google Scholar
• Fanning , M. and Fanning , M.C.B. 1988 . Soil Morphology, Genesis, and Classification , New York , NY : John Wiley & Sons .
   Google Scholar
• Fenton , T.E. 1983 . “ Mollisols ” . In Pedogenesis and Soil Taxonomy. II. The Soil Orders , Edited by: Wilding , L.P. , Smeck , N.E. and Hall , G.F. 125 – 163 . Amsterdam , , The Netherlands : Elsevier .
   Google Scholar
• Gee , G.W. and Bauder , J.W. 1986 . “ Particle‐size analysis ” . In Methods of Soil Analysis. Part I. , 2nd ed , Edited by: Klute , A. 383 – 412 . Madison , WI : American Society of Agronomy .
   Google Scholar
• Guthrie , R.L. and Witty , J.E. 1982 . New designations for soil horizons and layers and the new soil survey manual . Soil Sci. Soc. Am. J. , 46 : 443 – 444 .
   Web of Science ®Google Scholar
• McLean , E.O. 1982 . “ Soil pH and lime requirement ” . In Methods of Soil Analysis , 2nd ed , Edited by: Page , A.L. , Miller , R.H. and Keeney , D.R. 199 – 224 . Madison , WI : American Society of Agronomy . Part II.
   Google Scholar
• Meteorological Department . 1988 . Jordan Climatological Handbook , Amman , , Jordan : Amman Meteorological Department .
   Google Scholar
• Nelson , D.W. and Sommers , L.E. 1982 . “ Total carbon, organic carbon, and organic matter ” . In Methods of Soil Analysis , 2nd ed , Edited by: Page , A.L. , Miller , R.H. and Keeney , D.R. 539 – 580 . Madison , WI : American Society of Agronomy . Part II.
   Google Scholar
• Rhoades , J.D. 1982 . “ Soluble salts ” . In Methods of Soil Analysis , 2nd ed , Edited by: Page , A.L. , Miller , R.H. and Keeney , D.R. 167 – 180 . Madison , WI : American Society of Agronomy . Part II.
   Google Scholar
• Richards , L.A. 1954 . Diagnosis and Improvement of Saline and Alkaline Soils , USDA Handbook No. 60 Washington, DC : U.S. Government Printing Office .
   Google Scholar
• Shadfan , H. 1983 . Clay minerals and potassium status in some soils of Jordan . Geoderma , 31 : 41 – 56 .
   Web of Science ®Google Scholar
• Soil Survey Staff . 1951 . Soil Survey Manual , USDA Handbook No. 18 139 – 140 . Washington, DC : U.S. Government Printing Office .
   Google Scholar
• Soil Survey Staff . 1975 . Soil Taxonomy: A Basic System of Soil Classification for Making and Interpreting Soil Surveys , USDA Handbook No. 436 Washington, DC : U.S. Government Printing Office .
   Google Scholar
• Taimeh , A.Y. and Khresat , S.A. 1988 . Vertisols in Jordan: Properties and Distribution. , 1st ed. , Amman , , Jordan : University of Jordan .
   Google Scholar
• Thomas , G.W. 1982 . “ Exchangeable cations ” . In Methods of Soil Analysis , 2nd ed , Edited by: Page , A.L. , Miller , R.H. and Keeney , D.R. 159 – 166 . Madison , WI : American Society of Agronomy . Part II.
   Google Scholar