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KUMADA, K. OHTA, S. ARAL, S. KITAMURA, M. IMAI, K.

Changes in soil organic mater and nitrogen fertility during the slash-and-burn and cropping phases in experimental shifting cultivation - 1985

Subjects--Topical Terms:
AGRICULTURA MIGRATORIA
SUELOS
ABONOS
FERTILIDAD DEL SUELO
JAPON

Dewey Class. No.: 12979