Vol. 37 No. 2 (1989)

Papers

• Effects of light intensity on yield components, carbohydrate economy and cell-wall constituents in spring barley (Hordeum distichum L.).

  J. Ellen, H. van Oene

  83-95

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• The use of social science methods in agricultural research: the case of late transplanting of rice in the Dominican Republic.

  E. Doorman

  97-105

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• Zinc status of cows as deduced from the liver zinc content.

  W.T. Binnerts

  107-117

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• Genetic variation for seed yield components of Westerwold ryegrass (Lolium multiflorum var. westerwoldicum).

  A. Elgersma, A.P.M. den Nijs, F.A. van Eeuwijk

  119-127

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• An analysis of the response of sugar beet and potatoes to fertilizer nitrogen and soil mineral nitrogen.

  J.J. Neeteson, H.J.C. Zwetsloot

  129-141

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• Evaluation of the performance of three advisory methods for nitrogen fertilization of sugar beet and potatoes.

  J.J. Neeteson

  143-155

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• The metabolism of nitrate and proline in the rumen fluid of a cow and its effect on in vivo formation of N-nitrosoproline.

  L.W. van Broekhoven, J.A.R. Davies, J.H. Geurink

  157-163

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• The relation between oestrus signs and probability of ovulation at dubious oestrus in gilts.

  H. Boer, L.A. den Hartog, K. Boode, H.A.M. van der Steen, W.C. Melger, M.A. Posthumus

  165-168

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• Effect of long-term storage at low temperature on storage losses and field performance of seed-potato cultivars.

  N. Buitelaar, R. Marcus, R. Wustman

  169-172

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