SEPARATION AND FUNCTIONAL GROUP ANALYSIS OF SOIL ORGANIC MATTER

[11] HUMIC ACIDS EXTRACTED BY VARIOUS REAGENTS FROM A SOIL .I. YIELD INORGANIC COMPONENTS AND TITRATION CURVES [J]. JOURNAL OF SOIL SCIENCE, 1966, 17 (01): : 65 - &

[12] RATHER JB, 1917, 140 ARK AGR EXP STA

[13] SCHINTZER M, 1967, CAN J SOIL SCI, V47, P245

[14] OXYGEN-CONTAINING FUNCTIONAL GROUPS IN ORGANIC SOILS AND THEIR RELATION TO DEGREE OF HUMIFICATION AS DETERMINED BY SOLUBILITY IN SODIUM PYROPHOSPHATE SOLUTION [J]. CANADIAN JOURNAL OF SOIL SCIENCE, 1966, 46 (03) : 237 - +

[15] CARBOXYL AND PHENOLIC HYDROXYL GROUPS IN SOME ORGANIC SOILS AND THEIR RELATION TO DEGREE OF HUMIFICATION [J]. CANADIAN JOURNAL OF SOIL SCIENCE, 1965, 45 (03) : 257 - +

[16] ALKALI VERSUS ACID EXTRACTION OF SOIL ORGANIC MATTER [J]. SOIL SCIENCE, 1968, 105 (06) : 392 - +

[17] WHITEHEAD D. C, 1964, SOIL SCL, V97, P34, DOI 10.1097/00010694-196401000-00006

[11] HUMIC ACIDS EXTRACTED BY VARIOUS REAGENTS FROM A SOIL .I. YIELD INORGANIC COMPONENTS AND TITRATION CURVES [J]. JOURNAL OF SOIL SCIENCE, 1966, 17 (01): : 65 - &

[12] RATHER JB, 1917, 140 ARK AGR EXP STA

[13] SCHINTZER M, 1967, CAN J SOIL SCI, V47, P245

[14] OXYGEN-CONTAINING FUNCTIONAL GROUPS IN ORGANIC SOILS AND THEIR RELATION TO DEGREE OF HUMIFICATION AS DETERMINED BY SOLUBILITY IN SODIUM PYROPHOSPHATE SOLUTION [J]. CANADIAN JOURNAL OF SOIL SCIENCE, 1966, 46 (03) : 237 - +

[15] CARBOXYL AND PHENOLIC HYDROXYL GROUPS IN SOME ORGANIC SOILS AND THEIR RELATION TO DEGREE OF HUMIFICATION [J]. CANADIAN JOURNAL OF SOIL SCIENCE, 1965, 45 (03) : 257 - +

[16] ALKALI VERSUS ACID EXTRACTION OF SOIL ORGANIC MATTER [J]. SOIL SCIENCE, 1968, 105 (06) : 392 - +

[17] WHITEHEAD D. C, 1964, SOIL SCL, V97, P34, DOI 10.1097/00010694-196401000-00006