Vol. 9 No. 3 (1961)

Papers

• The influence of commodity, packing material and the properties of the fumigation chamber on the concentration of methyl bromide (MeBr) in the gas phase.

  P.H. van de Pol, A.M. Mathot

  159-162

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• Short wave and net radiation under glass as compared with radiation in the open.

  D.W. Scholte Ubing

  163-167

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• Preliminary remarks on porosity of soil aggregates in air-dry state and at pF 2.

  H. Kuipers

  168-173

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• On the organic matter in tropical soils.

  K.H. Tan, J. van Schuylenborgh

  174-180

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• Comparison of methods for the determination of calcium in plant material.

  J.C. van Schouwenburg

  181-187

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• Nematodes in relation to plant growth. III. Pratylenchus penetrans (Cobb) in tree crops, potatoes and red clover.

  M. Oostenbrink

  188-209

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• The influence of heating on silage fermentation and quality.

  G.W. Wieringa, S. Schukking, D. Kappelle, S. de Haan

  210-216

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