Vol. 26 No. 2 (1978)

Papers

• Effects of leaf removal on yield components in sunflower.

  A.S.R. Pereira

  133-144

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• Some soil morphological effects of earthworm activity; field data and X-ray radiography.

  H. Rogaar, J.A. Boswinkel

  145-160

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• Grassland farming and minerals in cattle.

  A. Kemp, J.H. Geurink

  161-169

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• Leaf area determinations in sorghum and maize by the length-width method.

  H. van Arkel

  170-180

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• The forage and grain yield of sorghum and maize as affected by soil moisture conservation, lodging and harvesting losses.

  H. van Arkel

  181-190

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• The influence of a soil compaction process on subsequent soil tillage processes. A new research method.

  A.J. Koolen

  191-199

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• Effect of plant density and water supply on wheat production.

  A.H. Ryhiner, M. Matsuda

  200-209

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• Effects of nitrogen on crop development and grain growth of winter wheat in relation to assimilation and utilization of assimilates and nutrients.

  J.H.J. Spiertz, J. Ellen

  210-231

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