Soil test standardization in west Asia‐North Africa Region

References

• Black , C.A. , eds. 1965 . Methods of Soil Analysis. Part 2. Chemical and Minerological Properties , Agronomy No. 9 Madison , WI : American Society of Agronomy .
   Google Scholar
• Cooper , P.J.M. and Gregory , P.J. 1987 . Soil water management in the rain‐fed farming systems of the Mediterranean region . Soil Use and Management , 3 (2) : 57 – 62 .
   Web of Science ®Google Scholar
• Follett , R.H. and Follett , R.F. 1983 . Soil and lime requirement tests for the 50 states and Puerto Rico . J. Agron. Educ. , 12 : 9 – 17 .
   Google Scholar
• Follett , R.H. and Westfall , D.G. 1986 . A procedure for conducting fertilizer recommendation comparison studies . J. Agron. Educ. , 15 : 27 – 29 .
   Google Scholar
• Follett , R.H. , Westfall , D.G. and Croissant , R.L. 1987 . Soil test recommendation study . J. Agron. Educ. , 16 : 73 – 76 .
   Google Scholar
• Harmsen , K. 1984 . Nitrogen fertilizer use in rainfed agriculture . Fert. Res. , 5 : 371 – 382 .
   Web of Science ®Google Scholar
• Lindsay , W.L. and Norvell , W.A. 1978 . Determination of a DTPA test for zinc, iron, manganese, and copper . Soil Sci. Soc. Amer. J. , 42 : 421 – 428 .
   Web of Science ®Google Scholar
• Matar , A. 1985 . Standardization of the NaHCO3‐extractable P in soil of ICARDA region , Research Report No. 15 Aleppo , , Syria : ICARDA .
   Google Scholar
• Matar , A. , Torrent , J. and Ryan , J. 1992 . Soil and fertilizer phosphorus and crop responses in the dryland Mediterranean zone . Adv. Soil. Sci. , 18 : 81 – 146 .
   Google Scholar
• Matar , A.E. 1992 . Soil testing as a guide to fertilization in West Asia and North African (WANA) region . Commun. Soil Sci. Plant Anal. , 23 : 2075 – 2085 .
   Web of Science ®Google Scholar
• Olsen , S.R. , Watanabe , F.S. and Dean , L.A. 1954 . Estimation of Available Phosphorus in Soil by Extraction with Sodium Bicarbonate , USDA . Circular No. 936
   Google Scholar
• Richards , L.A. 1954 . Diagnosis and Improvement of Saline and Alkali Soils , Agricultural Handbook 60 USDA .
   Google Scholar
• Ryan , J. and Matar , A. , eds. Soil test calibration in West Asia and North Africa . Proceedings of the Third Regional Workshop . September 3–9 1988 , Amman , Jordan. ICARDA . Aleppo, Syria
   Google Scholar
• Ryan , J. and Matar , A. Fertilizer use efficiency under rain‐fed agriculture in West Asia and North Africa . Proceedings of the Fourth Regional Workshop . May 5–10 1991 , Agadir , Morocco. ICARDA . Aleppo, Syria
   Google Scholar
• Soltanpour , P.N. and Schwab , A.P. 1977 . A new test for simultaneous extraction of macro and micronutrients in alkaline soils . Commun. Soil Sci. Plant Anal. , 8 (3) : 195 – 207 .
   Web of Science ®Google Scholar
• Soil Fertility Specialist and Laboratory Supervisor, respectively.
   Google Scholar