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1P.M. Porter , D.R. Huggins , C.A. Perillo , S.R. Quiring , and R.K. Crookston 2003. Organic and other management strategies with two- and four-year crop rotations in Minnesota. Agronomy Journal 95:233–244.
3E.C. Brummer 1998. Diversity, stability, and sustainable American agriculture. Agronomy Journal 90:1–2.
4R.J. Cook 2006. Toward cropping systems that enhance productivity and sustainability. Proceedings of the National Academy of Sciences, U.S.A. 103:18389–18394.
5N.L. Hartwig and H.U. Ammon 2002. Cover crops and living mulches. Weed Science 50:688–699.
6J.E. Barbash , G.P. Thelin , D.W. Kolpin , and R.J. Gilliom 2001. Major herbicides in ground water. Journal of Environmental Quality 30:831–845.
7J. Liu , L. You , M. Amini , M. Obersteiner , M. Herrero , A.J.B. Zehnder , and H. Yang 2010. A high-resolution assessment on global nitrogen flows in cropland. Proceedings of the National Academy of Sciences, U.S.A. 107:8035–8040.
11C. Francis , G. Lieblein , S. Gliessman , T.A. Breland , N. Creamer , R. Harwood , L. Salomonsson , J. Helenius , D. Rickerl , R. Salvador , M. Wiedenhoeft , S. Simmons , P. Allen , M. Altieri , C. Flora , and R. Poincelot 2003. Agroecology: The Ecology of Food Systems. Journal of Sustainable Agriculture 22:99–118.
12M. Liebman and E.R. Gallandt 1997. Many little hammers: Ecological management of crop-weed interactions. In L.E. Jackson (ed.). Ecology in Agriculture. Academic Press, San Diego, CA. p. 291–343.
13G.P. Robertson and S.M. Swinton 2005. Reconciling agricultural productivity and environmental integrity: A grand challenge for agriculture. Frontiers in Ecology and the Environment 3:38–46.
14R.L. Anderson 2007. Managing weeds with a dualistic approach of prevention and control. A review. Agronomy for Sustainable Development 27:13–18.
15C. Shennan 2008. Biotic interactions, ecological knowledge, and agriculture. Philosophical Transactions of the Royal Society B: Biological Sciences 363:717–739.
16P.C. Ronald 2011. Plant genetics, sustainable agriculture and global food security. Genetics 188:11–20.
18D.A. Mortensen , J.F. Egan , B.D. Maxwell , M.R. Ryan , and R.G. Smith 2012. Navigating a critical juncture for sustainable weed management. Bioscience 62:75–84.
19A.J. Gassmann , J.L. Petzold-Maxwell , R.S. Keweshan , and M.W. Dunbar 2011. Field-evolved resistance to Bt maize by western corn rootworm. PLoS ONE 6(7):e22629. doi:10.1371/journal.pone.0022629.
20M.A. Altieri 1999. The ecological role of biodiversity in agroecosystems. Agriculture, Ecosystems & Environment 74:19–31.
21M. Liebman and A. S. Davis 2000. Integration of soil, crop and weed management in low-external-input farming systems. Weed Research 40:27–47.
22B. Raimbault and T. Vyn 1991. Crop rotation and tillage effects on corn growth and soil structural stability. Agronomy Journal 83:979–985.
23L.E. Drinkwater , P. Wagoner , and M. Sarrantonio 1998. Legume-based cropping systems have reduced carbon and nitrogen losses. Nature 396:262–265.
24D.L. Dinnes , D.L. Karlen , D.B. Jaynes , T.C. Kaspar , J.L. Hatfield , T.S. Colvin , and C.A. Cambardella 2002. Nitrogen management strategies to reduce nitrate leaching in tile-drained midwestern soils. Agronomy Journal 94:153–171.
25C. Campbell and R. Zentner 1993. Soil organic matter as influenced by crop rotations and fertilization. Soil Science Society of America Journal 57:1034–1040.
26W.E. Riedell , J.L. Pikul , A.A. Jaradat , and T.E. Schumacher 2009. Crop rotation and nitrogen input effects on soil fertility, maize mineral nutrition, yield, and seed composition. Agronomy Journal 101:870–879.
27D. Tilman , K.G. Cassman , P.A. Matson , R. Naylor , and S. Polasky 2002. Agricultural sustainability and intensive production practices. Nature 418:671–677.
28R. Ghorbani , S. Wilcockson , A. Koocheki , and C. Leifert 2008. Soil management for sustainable crop disease control: A review. Environmental Chemistry Letters 6:149.
29E. Dyck and M. Liebman 1994. Soil fertility management as a factor in weed control: The effect of crimson clover residue, synthetic nitrogen fertilizer and their interaction on emergence and early growth of lambs quarters and sweet corn. Plant and Soil 167:227–237.
30R.L. Anderson 2005. A multi-tactic approach to manage weed population dynamics in crop rotations. Agronomy Journal 97:1579–1583.
31D.A. Bossio , K.M. Scow , N. Gunapala , and K.J. Graham 1998. Determinants of soil microbial communities: Effects of agricultural management, season, and soil type on phospholipid fatty acid profiles. Microbial Ecology 36:1–12.
32S.P. Deng , J.M. Moore , and M.A. Tabatabai 2000. Characterization of active nitrogen pools in soils under different cropping systems. Biology and Fertility of Soils 32:302–309.
33M.J. Cruse , M. Liebman , D.R. Raman , and M.H. Wiedenhoeft 2010. Fossil energy use in conventional and low-external-input cropping systems. Agronomy Journal 102:934–941.
34D.W. Archer , A.A. Jaradat , J.M.F. Johnson , S.L. Weyers , R.W. Gesch , F. Forcella , and H.K. Kludze 2007. Crop productivity and economics during the transition to alternative cropping systems. Agronomy Journal 99:1538–1547.
35J.-P. Chavas , J.L. Posner , and J.L. Hedtcke 2009. Organic and conventional production systems in the Wisconsin integrated cropping systems trial: II. Economic and risk analysis 1993–2006. Agronomy Journal 101:288–295.
36M.J. VanGessel , D.R. Froney , M. Conner , S. Sankula , and B.A. Scott 2004. A sustainable agriculture project at Chesapeake farms: A six-years summary of weed management aspects, yield, and economic return. Weed Science 52:886–896.
37M. Liebman , L.R. Gibson , D.N. Sundberg , A.H. Heggenstaller , P.R. Westerman , C.A. Chase , R.G. Hartzler , F.D. Menalled , A.S. Davis , and P.M. Dixon 2008. Agronomic and economic performance characteristics of conventional and low-external-input cropping systems in the central Corn Belt. Agronomy Journal 100:600–610.
38D.B. Jaynes , D.L. Dinnes , D.W. Meek , D.L. Karlen , C.A. Cambardella , and T.S. Colvin 2004. Using the late spring nitrate test to reduce nitrate loss within a watershed. Journal of Environmental Quality 33:669–677.
47L.J. Rew , B. Whelani , and A. Mc Bratney 2000. Does kriging predict weed distributions accurately enough for site-specific weed control? Weed Research 41:245–263.
48D.M. Weller , J.M. Raaijmakers , and L.S. Tomashow 2002. Microbial populations responsible for specific soil suppressiveness to plant pathogens. Annual Review of Phytopathology 40:309–348.