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- [4] Influence of microorganisms upon the carbon-nitrogen ratio in the soil JOURNAL OF AGRICULTURAL SCIENCE, 1924, 14 : 555 - 562
- [7] 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