Vol 50, No 1 (2002)

Table of Contents

Papers

Ecological concepts in organic farming and their consequences for an organic crop ideotype PDF
E.T. Lammerts Van Bueren, P.C. Struik, E. Jacobsen 1-26
Effects on productivity and risk factors of Bovine Respiratory Disease in dairy heifers; a review for the Netherlands PDF
H.J. Van Der Fels-Klerx, S.W. Martin, M. Nielen, R.B.M. Huirne 27-45
Management strategies on Dutch dairy farms to meet environmental regulations; a multi-case study PDF
C.J.M. Ondersteijn, S.B. Harsh, G.W.J. Giesen, A.C.G. Beldman, R.B.M. Huirne 47-65
Enery evaluation of fresh grass in the diets of lactation dairy cows PDF
M.H. Bruinenberg, R.L.G. Zom, H. Valk 67-81
The performance of young pigs fed different amounts of marigold (Calendula officinalis) meal; a pilot study PDF
V.A. Hindle, A.A. Mathijssen-Kamman, N. Stockhofe, J.W. Cone 83-94
A new method of measuring the adoption of soil conservation practices: theory and applications PDF
J. Castaño, M.T.G. Meulenberg, A. Van Tilburg 95-114


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