There was a time when sloped land was just about useless because of frequent soil erosion. But now, hilly terrain can be productive. 'No-till” farming makes it possible.
Forest Restoration Following Surface Mining Disturbance: Challenges and Solutions.
Macdonald, S. E., S. Landhäusser, J. Skousen, J. Frouz, S. Quideau, and S. Hall., and D. Jacobs. 2015.
New Forests, 46(5-6): 703-732.
Soil biota in post-mining sites along a climatic gradient in the USA:
simple communities in shortgrass prairie recover faster than complex communities in tallgrass prairie and forest.
Frouz, J., V. Jílková, T. Cajthaml, V. Pizl, K. Tajovski, L. Hanel, A. Burasova, H. Simacova, K. Kolarikova, J. A. Franklin, J. Nawrot, and J. Groninger. 2013.
Soil Biology and Biochemistry, 67:212-225.
Evaluation of Anaerobic Soil Disinfestation (ASD) for Warm-season Vegetable Production
McCarty, D. G., B. H. Ownley, A. L. Wszelaki, C. E. Sams, and D. M. Butler. 2012.
Effects of topsoil depth and soil amendments on corn yield and properties of two alfisols in central Ohio.
Jagadamma, S., R. Lal, and B. K. Rimal. 2009.
Journal of Soil and Water Conservation, 64: 70-80.