TY - CHAP A1 - Hallett, Paul D. A1 - Loades, Kenneth A1 - Krümmelbein, Julia ED - Hester, Ronald E. ED - Harrison, R. M. T1 - Soil Physical Degradation: Threats and Opportunities to Food Security T2 - Soils and Food Security Y1 - 2012 SN - 978-1-84973-426-4 U6 - https://doi.org/10.1039/9781849735438-00198 SP - 198 EP - 226 PB - Royal Society of Chemistry CY - Cambridge ER -