1. ASA (2010) Glossary of terms. American Society of Agronomy. https://www.agronomy.org
2. CRS (2005) Agriculture: a glossary of terms, programs, and laws. Congressional Research Service, Washington, DC
3. Sadras V, Roget D, Krause M (2003) Dynamic cropping strategies for risk management in dry-land farming systems. Agric Syst 76:920–948
4. Shrestha A (2003) Cropping systems: trends and advances. Food Products Press, Binghamton
5. FAO (2008) Analysis of farming systems. UN Food and Agriculture Organization, Rome