Approaches to Soil Health Analysis, Volume 1. Группа авторов

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      67 Wade, T., Claassen, R., & Wallander, S. (2015). Conservation‐practice adoption rates vary widely by crop and region. Economic Information Bulletin (EIB) No.147, U.S. Department of Agriculture (USDA), Economic Research Service (ERS). Washington, DC.

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      69 West, T. O., & Post, W.M. (2002). Soil organic carbon sequestration rates by tillage and crop rotation. Soil Science Society of America Journal, 66(6), 1930–1946. https://doi.org/10.2136/sssaj2002.1930

      70 Wienhold, B.J., Pikul, J. L., Liebig, M. A., Mikha, M. M., Varvel, G. E., Doran, J. W., & Andrews, S.S. (2006). Cropping system effects on soil quality in the Great Plains: Synthesis from a regional project. Renewable Agricultural Food Systems, 21, 49–59. https://doi.org/10.1079/RAF2005125

      71 Wienhold, B. J., Karlen, D. L., Andrews, S. S., & Stott, D.E. (2009). Protocol for soil management assessment framework (SMAF) soil indicator scoring curve development. Renewable Agricultural Food Systems, 24, 260–266. https://doi.org/10.1017/S1742170509990093

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