Vol. 22 No. 4 (1974)

Papers

• Professor Dr. A. C. Schuffelen

  Anonymous

  225-226

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• List of publications by Professor Dr. A. C. Schuffelen

  Anonymous

  227-230

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• Schuffelen as reflected in the work of his doctoral students

  M. Rosanow, G.H. Bolt

  231-236

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• Aspects of potassium and magnesium uptake by oats.

  A.C. Schuffelen

  237-244

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• Quantitative measurement of fertilizer uptake by crops.

  H. Broeshart

  245-254

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• Technology favourable to the environment by utilizing sulphite waste liquors from the pulp industry as organic nitrogen fertilizers. [German]

  W. Flaig, H. Sochtig

  255-261

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• Selective ion uptake in the initial phase and root surface potentials.

  J.H. Grobler

  262-269

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• Phosphorus - a limiting factor in future food production.

  S. Larsen

  270-274

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• Calcium nutrition of higher plants.

  H. Marschner

  275-282

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• Nutrient availability and yield formation.

  K. Mengel

  283-294

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• Trace element problems on Scottish soils.

  R.L. Mitchell

  295-304

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• Physical aspects of soil fertility - the response of roots to mechanical impedance.

  R.S. Russell, M.J. Goss

  305-318

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• Early theoretical concepts in soil fertility.

  C.T. de Wit

  319-324

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