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ISSN:0304-4017|78|1|23-36

Elsevier‎(1998)‎

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By Peters M.   Lascano C.E.   Roothaert R.   de Haan N.C.   in Field Crops Research

ISSN:0378-4290|84|1|179-188

Elsevier‎(2003)‎

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