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- [2] The carbon-nitrogen ratio of soil organic matter JOURNAL OF AGRICULTURAL SCIENCE, 1930, 20 : 348 - 354
- [8] CARBON-NITROGEN RATIO AND ANAEROBIC DIGESTION OF SWINE WASTE TRANSACTIONS OF THE ASAE, 1978, 21 (03): : 537 - &
- [10] THE EFFECT OF GREEN MANURE CROPS OF VARYING CARBON-NITROGEN RATIOS UPON NITROGEN AVAILABILITY AND SOIL ORGANIC MATTER CONTENT JOURNAL OF THE AMERICAN SOCIETY OF AGRONOMY, 1948, 40 (03): : 237 - 248