| Registros del 1 al 2 de 2 encontrados |
1.- CHANGES IN SOIL ORGANIC MATTER FRACTIONS UNDER SUBTROPICAL NO-TILL CROPPING SYSTEMS
SOIL SCIENCE SOCIETY OF AMERICA; MADISON, WI; USA; UNITED STATES, 2001
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2.- TILLAGE AND CROPPING SYSTEM EFFECTS ON SOIL HUMIC ACID CHARACTERISTICS AS DETERMINED BY ELECTRON SPIN RESONANCE AND FLUORESCENCE SPECTROSCOPIES
ELSEVIER; AMSTERDAM; NLD; NETHERLANDS, 2002
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