Methods of dietary fiber, neutral detergent fiber and non-starch polysaccharides in relation to animal nutrition. J. Dairy Sci. 1991, 74, 3583–3597. [Google Scholar] [CrossRef] [PubMed] Toms, J.D.; Lesperance, M.L. Piecewise regression: A tool for identifying ecological thresholds. ...
Diagnosis and Recommendation Integrated System (DRIS): A General Scheme of Experimentation and Calibration Based on Principles Developed from Research in Plant Nutrition; Soil Science Bulletin 1; Department of Soil Science and Agrometeorology, University of Natal: Pietermaritzburg, South Africa, 1973; p....