Vol. 11 No. 1 (1963)

Papers

• The value of synthetic lysine in rations for fattening swine.

  J. Dammers, W.K. Hirschfeld, L. Hogendoorn, G. Kingma, J.H. Ottenheym

  1-9

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• On soil genesis in temperate humid climate. II. The behaviour of the non-clay fraction in some soil groups.

  J. van Schuylenborgh

  10-12

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• Potassium-exchange behaviour of an illite.

  J.C.H. van Schouwenburg, A.C. Schuffelen

  13-22

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• Effect of fertilization on mineral-element balance in grassland.

  J.J. Lehr, J. Grashuis, E.E. van Koetsveld

  23-37

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• On the criticism of the determination of net energy with difference trials.

  A.J.H. van Es

  38-44

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• Total pore-space estimation in freshly ploughed soil.

  H. Kuipers, C. van Ouwerkerk

  45-53

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• Contribution to the agropedological knowledge of the tropical black earths of southern Ghana.

  F. Hagenzieker

  54-65

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