THE NATURE OF CHARCOAL EXCAVATED AT ARCHAEOLOGICAL SITES

[1] [Anonymous], 1944, SOIL PLANT ANAL

[2] Studies on the carbon and nitrogen cycles in the soil II The extraction of the organic matter of the soil with alkali [J]. JOURNAL OF AGRICULTURAL SCIENCE, 1930, 20 : 460 - 477

[3] Black D, 1931, B GEOLOGICAL SOC CHI, V11, P107

[4] STUDIES ON SOIL ORGANIC MATTER .3. THE EXTRACTION OF ORGANIC CARBON AND NITROGEN FROM SOIL [J]. JOURNAL OF AGRICULTURAL SCIENCE, 1949, 39 (03) : 280 - 282

[5] A REVIEW OF RECENT WORK ON SOIL ORGANIC MATTER .2. [J]. JOURNAL OF SOIL SCIENCE, 1954, 5 (02): : 214 - 232

[6] JACKSON M. L., 1958, Soil Chemical Analysis.

[7] Moore W. E., 1961, Forest Products Journal, V11, P17

[8] The chemistry of soil organic matter I Distribution of uronic carbon in some soil profiles [J]. SOIL SCIENCE, 1943, 56 (01) : 143 - 150

[9] EVIDENCE OF FIRE IN SOUTH AFRICAN CAVE DEPOSITS [J]. NATURE, 1954, 174 (4423) : 261 - 262

[10] PURI BALWANT RAI, 1958, SOIL SCI, V86, P18, DOI 10.1097/00010694-195807000-00004

[1] [Anonymous], 1944, SOIL PLANT ANAL

[2] Studies on the carbon and nitrogen cycles in the soil II The extraction of the organic matter of the soil with alkali [J]. JOURNAL OF AGRICULTURAL SCIENCE, 1930, 20 : 460 - 477

[3] Black D, 1931, B GEOLOGICAL SOC CHI, V11, P107

[4] STUDIES ON SOIL ORGANIC MATTER .3. THE EXTRACTION OF ORGANIC CARBON AND NITROGEN FROM SOIL [J]. JOURNAL OF AGRICULTURAL SCIENCE, 1949, 39 (03) : 280 - 282

[5] A REVIEW OF RECENT WORK ON SOIL ORGANIC MATTER .2. [J]. JOURNAL OF SOIL SCIENCE, 1954, 5 (02): : 214 - 232

[6] JACKSON M. L., 1958, Soil Chemical Analysis.

[7] Moore W. E., 1961, Forest Products Journal, V11, P17

[8] The chemistry of soil organic matter I Distribution of uronic carbon in some soil profiles [J]. SOIL SCIENCE, 1943, 56 (01) : 143 - 150

[9] EVIDENCE OF FIRE IN SOUTH AFRICAN CAVE DEPOSITS [J]. NATURE, 1954, 174 (4423) : 261 - 262

[10] PURI BALWANT RAI, 1958, SOIL SCI, V86, P18, DOI 10.1097/00010694-195807000-00004