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Vol 50, No 3/4 (2003)
Vol 50, No 3/4 (2003)
Published:
2003-07-01
Papers
The role of research when implementing European environmental legislation at the national level
J. Bouma
267-275
PDF
Explaining yield gaps on farmer-identified degraded and non-degraded soils in a Sahelian irrigated rice scheme
P.J.A. Van Asten, M.C.S. Wopereis, S. Haefele, M. Ould Isselmou, M.J. Kropff
277-296
PDF
Sweet potato yields and nutrient dynamics after short-term fallows in the humid lowlands of Papua New Guinea
A.E. Hartemink
297-319
PDF
A comparison of the isotope-dilution and the difference method for estimating fertilizer nitrogen recovery fractions in crops. I. Plant uptake and loss of nitrogen
K. Harmsen
321-347
PDF
A comparison of the isotope-dilution and the difference method for estimating fertilizer nitrogen recovery fractions in crops. II. Mineralization and immobilization of nitrogen
K. Harmsen
349-381
PDF
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Language
English
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