KUMADA Kyoichi | Faculty of Agriculture, Nagoya University

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著作論文

STUDIES ON THE HUMUS FORMS OF FOREST SOILS : VIII. Effect of the Addition of Ammonium Sulfate on Mineralization of Nitrogen in Forest Soils
EXPERIMENTAL STUDIES ON THE BEHAVIOR OF FINE ORGANIC PARTICLES AND WATER-SOLUBLE ORGANIC MATTER IN MINERAL SOIL HORIZONS
STUDIES ON THE HUMUS FORMS OF FOREST SOILS : VII. Nitrogen Transformation during Incubation
CHANGES IN SOIL ORGANIC MATTER AND NITROGEN FERTILITY DURING THE SLASH-AND-BURN AND CROPPING PHASES IN EXPERIMENTAL SHIFTING CULTIVATION
PREPARATION OF POWDERED SAMPLE OF FULVIC ACID AND ANALYSIS OF ITS ACID FUNCTIONAL GROUPS
STUDIES ON THE HUMUS FORMS OF FOREST SOILS : IV. Humus Composition of Fractionated Horizons of Forest Soils
STUDIES ON THE HUMUS FORMS OF FOREST SOILS : III. Elementary Composition of Fractionated Horizons of Forest Soils
STUDIES ON THE HUMUS FORMS OF FOREST SOILS : VI. Mineralization of Nitrogen in Brown Forest Soils
STUDIES ON THE HUMUS FORMS OF FOREST SOILS : V. Elementary Composition of Soil Organic Matter of Brown Forest Soils
STUDIES ON THE HUMUS FORMS OF FOREST SOILS : II. The Humus Composition of Fractionated Horizons of Higashiyama Soil
CHARACTERISTICS OF BURIED HUMIC HORIZONS AT THE SHIIJI ARCHAEOLOGICAL PITS : III. Carbon, Nitrogen, Aluminium, Silicon, Iron, Phenol and Amino Acid Contents in Humic and Fulvic Acids
CHARACTERISTICS OF BURIED HUMIC HORIZONS AT THE SHIIJI ARCHAEOLOGICAL PITS : IV. Amorphous Constituents of Humus-Clay Complexes in Buried Humic Horizons
CHARACTERISTICS OF BURIED HUMIC HORIZONS AT THE SHIIJI ARCHAEOLOGICAL PITS : V. Palynological Studies on Buried Humic Horizons
A NEW METHOD FOR DETERMINING FERROUS IRON IN PADDY SOILS
STUDIES ON A VOLCANIC ASH SOIL AT OHNOBARU, TARUMIZU CITY, KAGOSHIMA PREFECTURE : I. Status of Humus Accumulated in the Profile
IONIZATION- AND REDUCTION-DIFFERENCE SPECTRA OF HUMIC AND FULVIC ACIDS
CARBONACEOUS MATERIALS AS A POSSIBLE SOURCE OF SOIL HUMUS
CHARACTERISTICS OF THE GREEN FRACTION OF P TYPE HUMIC ACID
STUDIES ON THE PROPERTIES OF ORGANIC MATTER IN BURIED HUMIC HORIZON DERIVED FROM VOLCANIC ASH : III. Sugars in Hydrolysates of Buried Humic Horizon
ELEMENTARY COMPOSITION AND ABSORPTION SPECTRA OF HUMIC AND FULVIC ACIDS
STUDIES ON THE PROPERTIES OF ORGANIC MATTER IN BURIED HUMIC HORIZON DERIVED FROM VOLCANIC ASH : VI. Fulvic Acids Extracted from Buried Humic Horizons
AN X-RAY DIFFRACTION STUDY OF HUMIC ACIDS
A NEW METHOD FOR DETERMINING FREE IRON IN PADDY SOILS
COMPARISON OF SEVERAL METHODS FOR DETERMINING FREE IRON IN SOILS
STUDIES ON THE PROPERTIES OF ORGANIC MATTER IN BURIED HUMIC HORIZON DERIVED FROM VOLCANIC ASH : V. Humic Acids in Buried Humic Horizons

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