Search Results - "Humus"

1

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Humus und humusdüngung /

by Scheffer, Fritz
Published 1960

Subjects: '; “...Humus...”

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2

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Die humusstoffe des bodens: Ergebnisse und probleme der humusforschung /

by Kononowa, M. M.
Published 1958

Subjects: '; “...Humus...”

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3

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Humic substances in soil and crop sciences: Selected readings : Proceedings of a symposium cosponsored by the International Humic Substances Society; divisions S-3, S-2, S-4, S-5,...

Published 1990

Subjects: '; “...18937 Humus...”

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