Vol. 25 No. 1 (1977)

Papers

• Light and heavy element detection in thin sections of soils with the ion microprobe mass analyzer (IMMA).

  E.B.A. Bisdom, S. Henstra, A. Jongerius, J.D. Brown, A.P. Von Rosenstiel, D.J. Gras

  1-13

  • PDF

• Southeast Asia - potential world food basket.

  W.J. van Liere

  14-25

  • PDF

• Determination of free ammonium in plant tissue.

  I. Novozamsky, V.J.G. Houba

  26-31

  • PDF

• Soil factors affecting the germination of potatoes left on the field after harvest.

  F.R. Boone, C.J. van der Elst

  32-41

  • PDF

• Evaluation of phosphate in fertilizers by means of the alkaline ammonium citrate extraction according to Petermann.

  R. Boxma

  42-50

  • PDF

• Nitrate poisoning in cattle. 2. Changes in nitrite in rumen fluid and methemoglobin formation in blood after high nitrate intake.

  A. Kemp, J.H. Geurink, R.T. Haalstra, A. Malestein

  51-62

  • PDF