Effects of ph and solvent/soil ratio on extraction of potassium by various extracting solutions compared to neutral molar ammonium acetate

References

• Arnold , P.W. 1962 . “ The K status of some English soils considered as a problem of energy relationships ” . In Proceedings 72 Fertilizer Society London
   Google Scholar
• Bertsch , P.M. and Thomas , G.W. 1985 . “ Potassium status of temperate region soils ” . In Potassiun in Agriculture , Edited by: Munson , R.D. 131 – 162 . Madison , WI : American Society of Agronomy .
   Google Scholar
• Blanchet , R. 1959 . The energy of adsorption of mineral ions by soil colloids, and the mineral nutrition of plants . Ann. Agr. Paris , 10 : 5 – 52 . 125 – 133 .
   Google Scholar
• Doll , E.C. and Lucas , R.E. 1973 . “ Testing soils for potassium, calcium and mannesium ” . In Soil Testing and Plant Analysis , Edited by: Walsh , L.M. and Beaton , J.M. 131 – 151 . Madison , WI : Soil Science Society of America .
   Google Scholar
• Huang , P.M. , Grossen , L.S. and Rennie , D.A. 1968 . Chemical dynamics of K release from K minerals common in soils . 9th Transactions International Congress Soil Science , 2 : 705 – 712 .
   Google Scholar
• Russel , R.D. and Batey , T. 1971 . Residual effects of potassium fertilizers in five rotation experiments . MAFF Techn. Bull. , : 197 – 219 .
   Google Scholar
• Simonis , A.D. 1973 . Effects of temperature and solvent/soil ratio on the extraction of P and K , Aberdeen , , Scotland : University of Aberdeen . Ph.D. Thesis
   Google Scholar
• Simonis , A.D. 1978 . Available soil potassium and evaluation of method for its determination , Athens , , Greece : Athens Faculty of Agriculture . Dozent Thesis, 75 Iera odos, Botancios, 11855
   Google Scholar
• Sparks , D.L. and Huang , R.M. 1985 . “ Physical chemistry of soil potassium ” . In Potassium in Agriculture , Edited by: Munson , R.D. 201 – 276 . Madison , WI : American Society of Agronomy .
   Google Scholar
• Williams , D.E. and Jenny , H. 1952 . The replacement of nonexchangeable potassium by various acids and salts . Soil Sci. Soc. Amer. Proc. , 16 : 216 – 221 .
   Web of Science ®Google Scholar