-
1
-
-
12444311785
-
Multifunctional agriculture in the United States
-
Boody, G., B. Vondracek, D.A. Andow, M. Krinke, J. Westra, J. Zimmerman, and P. Welle. 2005. Multifunctional agriculture in the United States. Bioscience 55:27-38.
-
(2005)
Bioscience
, vol.55
, pp. 27-38
-
-
Boody, G.1
Vondracek, B.2
Andow, D.A.3
Krinke, M.4
Westra, J.5
Zimmerman, J.6
Welle, P.7
-
2
-
-
0003885287
-
-
FM-1712. Available at, (verified 15 Mar. 2010). Iowa State Univ. Ext., Ames
-
Duffy, M., and D. Smith. 2003-2008. Estimated costs of crop production in Iowa-2008. FM-1712. Available at http://econ2.econ.iastate.edu/faculty/duffy/extensionnew.html (verified 15 Mar. 2010). Iowa State Univ. Ext., Ames.
-
(2003)
Estimated Costs of Crop Production In Iowa-2008
-
-
Duffy, M.1
Smith, D.2
-
3
-
-
33646547321
-
Tillage and residue management effects on soil organic matter
-
In F. Magdoff and R.R. Weil (ed.), CRC Press, Boca Raton, FL
-
Franzluebbers, A.J. 2004. Tillage and residue management effects on soil organic matter. p. 227-268. In F. Magdoff and R.R. Weil (ed.) Soil organic matter in sustainable agriculture. CRC Press, Boca Raton, FL.
-
(2004)
Soil Organic Matter In Sustainable Agriculture
, pp. 227-268
-
-
Franzluebbers, A.J.1
-
4
-
-
33749455216
-
The quality of our nation's waters: Pesticides in the nation's streams and ground water, 1992-2001
-
U.S. Dep. of Interior and U.S. Geological Survey, Reston, VA
-
Gilliom, R.J., J.E. Barbash, C.G. Crawford, P.A. Hamilton, J.D. Martin, N. Nakagaki, L.H. Nowell, J.C. Scott, P.E. Stackelberg, G.P. Thelin, and D.M. Wolock. 2006. The quality of our nation's waters: Pesticides in the nation's streams and ground water, 1992-2001. Circular 1291. U.S. Dep. of Interior and U.S. Geological Survey, Reston, VA.
-
(2006)
Circular 1291
-
-
Gilliom, R.J.1
Barbash, J.E.2
Crawford, C.G.3
Hamilton, P.A.4
Martin, J.D.5
Nakagaki, N.6
Nowell, L.H.7
Scott, J.C.8
Stackelberg, P.E.9
Thelin, G.P.10
Wolock, D.M.11
-
6
-
-
30044436474
-
-
PM 709. Available at, (verified 9 Mar. 2010). Iowa State Univ. Ext., Ames
-
Hanna, M. 2001. Fuel required for field operations. PM 709. Available at http://www.extension.iastate.edu/Publications/PM709.pdf (verified 9 Mar. 2010). Iowa State Univ. Ext., Ames.
-
(2001)
Fuel Required For Field Operations
-
-
Hanna, M.1
-
7
-
-
0041506708
-
-
Publ. AE-701. Available at, (verified 9 Mar. 2010). North Dakota State Univ. Ext. Serv., Fargo
-
Hellevang, K.J. 1994. Grain drying. Publ. AE-701. Available at http://www.ag.ndsu.edu/pubs/plantsci/smgrains/ae701-1.htm (verified 9 Mar. 2010). North Dakota State Univ. Ext. Serv., Fargo.
-
(1994)
Grain Drying
-
-
Hellevang, K.J.1
-
8
-
-
33746655320
-
Environmental, economic, and energetic costs and benefits of biodiesel and ethanol biofuels
-
Hill, J., E. Nelson, D. Tilman, S. Polasky, and D. Tiffany. 2006. Environmental, economic, and energetic costs and benefits of biodiesel and ethanol biofuels. Proc. Natl. Acad. Sci. USA 103:11206-11210.
-
(2006)
Proc. Natl. Acad. Sci. USA
, vol.103
, pp. 11206-11210
-
-
Hill, J.1
Nelson, E.2
Tilman, D.3
Polasky, S.4
Tiffany, D.5
-
9
-
-
33644771260
-
Energy use and efficiency in two Canadian organic and conventional crop production systems
-
Hoeppner, J.W., M.H. Entz, B.G. McConkey, R.P. Zentner, and C.N. Nagy. 2006. Energy use and efficiency in two Canadian organic and conventional crop production systems. Renewable Agric. Food Syst. 21:60-67.
-
(2006)
Renewable Agric. Food Syst
, vol.21
, pp. 60-67
-
-
Hoeppner, J.W.1
Entz, M.H.2
McConkey, B.G.3
Zentner, R.P.4
Nagy, C.N.5
-
10
-
-
0001205049
-
Nutrient, labor, energy, and economic evaluations of two farming systems in Iowa
-
Karlen, D.L., M.D. Duffy, and T.S. Colvin. 1995. Nutrient, labor, energy, and economic evaluations of two farming systems in Iowa. J. Prod. Agric. 8:540-546.
-
(1995)
J. Prod. Agric
, vol.8
, pp. 540-546
-
-
Karlen, D.L.1
Duffy, M.D.2
Colvin, T.S.3
-
11
-
-
67349250919
-
Effects of alternative management practices on the economics, energy and GHG emissions of a wheat-pea cropping system in the Canadian prairies
-
Khakbazan, M., R.M. Mohr, D.A. Derksen, M.A. Monreal, C.A. Grant, R.P. Zentner, A.P. Moulin, D.L. McLaren, R.B. Irvine, and C.N. Nagy. 2008. Effects of alternative management practices on the economics, energy and GHG emissions of a wheat-pea cropping system in the Canadian prairies. Soil Tillage Res. 104:30-38.
-
(2008)
Soil Tillage Res
, vol.104
, pp. 30-38
-
-
Khakbazan, M.1
Mohr, R.M.2
Derksen, D.A.3
Monreal, M.A.4
Grant, C.A.5
Zentner, R.P.6
Moulin, A.P.7
McLaren, D.L.8
Irvine, R.B.9
Nagy, C.N.10
-
12
-
-
27644562805
-
Life cycle assessment of various cropping systems utilized for producing biofuels: Bio-ethanol and biodiesel
-
Kim, S., and B.E. Dale. 2005. Life cycle assessment of various cropping systems utilized for producing biofuels: Bio-ethanol and biodiesel. Biomass Bioenergy 29:426-439.
-
(2005)
Biomass Bioenergy
, vol.29
, pp. 426-439
-
-
Kim, S.1
Dale, B.E.2
-
13
-
-
44449083192
-
Agronomic and economic performance characteristics of conventional and low-external-input cropping systems in the central corn belt
-
Liebman, M., 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. Agron. J. 100:600-610.
-
(2008)
Agron. J
, vol.100
, pp. 600-610
-
-
Liebman, M.1
Gibson, L.R.2
Sundberg, D.N.3
Heggenstaller, A.H.4
Westerman, P.R.5
Chase, C.A.6
Hartzler, R.G.7
Menalled, F.D.8
Davis, A.S.9
Dixon, P.M.10
-
14
-
-
0019382089
-
Organic farming in the Corn Belt
-
(Washington, DC)
-
Lockeretz, W., G. Shearer, and D.H. Kohl. 1981. Organic farming in the Corn Belt. Science (Washington, DC) 211:540-547.
-
(1981)
Science
, vol.211
, pp. 540-547
-
-
Lockeretz, W.1
Shearer, G.2
Kohl, D.H.3
-
15
-
-
33748989615
-
Impact of tillage and rotation on yield and economic performance in corn-based cropping systems
-
Meyer-Aurich, A., K. Janovicek, W. Deen, and A. Weersink. 2006. Impact of tillage and rotation on yield and economic performance in corn-based cropping systems. Agron. J. 98:1204-1212.
-
(2006)
Agron. J
, vol.98
, pp. 1204-1212
-
-
Meyer-Aurich, A.1
Janovicek, K.2
Deen, W.3
Weersink, A.4
-
16
-
-
31944440845
-
Within-field variation in corn yield and grain quality responses to nitrogen fertilization and hybrid selection
-
Miao, Y.X., D.J. Mulla, P.C. Robert, and J.A. Hernandez. 2006. Within-field variation in corn yield and grain quality responses to nitrogen fertilization and hybrid selection. Agron. J. 98:129-140.
-
(2006)
Agron. J
, vol.98
, pp. 129-140
-
-
Miao, Y.X.1
Mulla, D.J.2
Robert, P.C.3
Hernandez, J.A.4
-
17
-
-
84882748642
-
Energy consumption in U.S. agriculture
-
In J. Outlaw et al. (ed.), CABI Publ., Wallingford, UK
-
Miranowski, J.A. 2005. Energy consumption in U.S. agriculture. p. 68-111. In J. Outlaw et al. (ed.) Agriculture as a producer and consumer of energy. CABI Publ., Wallingford, UK.
-
(2005)
Agriculture As a Producer and Consumer of Energy
, pp. 68-111
-
-
Miranowski, J.A.1
-
18
-
-
77952601355
-
-
National Agricultural Statistics Service, Available at, (verified 9 Mar. 2010). NASS, USDA, Washington, DC
-
National Agricultural Statistics Service. 2009a. Iowa county data-crops. Available at http://www.nass.usda.gov/Statistics_by_State/Iowa/index.asp#.html (verified 9 Mar. 2010). NASS, USDA, Washington, DC.
-
(2009)
Iowa County Data-crops
-
-
-
19
-
-
77952632664
-
-
National Agricultural Statistics Service, Available at, (verified 9 Mar. 2010). NASS, Washington, DC
-
National Agricultural Statistics Service. 2009b. Crops: Prices received by farmers-Iowa. Available at http://www.nass.usda.gov/Data_and_Statistics/Quick_Stats/index.asp (verified 9 Mar. 2010). NASS, Washington, DC.
-
(2009)
Crops: Prices Received By Farmers-Iowa
-
-
-
20
-
-
0003919623
-
-
National Research Council, Natl. Academy Press, Washington, DC
-
National Research Council. 2000. The future role of pesticides in U.S. agriculture. Natl. Academy Press, Washington, DC.
-
(2000)
The Future Role of Pesticides In U.S. Agriculture
-
-
-
21
-
-
37549048596
-
Strategic environmental assessment of greenhouse gas mitigation options in the Canadian agricultural sector
-
Noble, B.F., and L.M. Christmas. 2008. Strategic environmental assessment of greenhouse gas mitigation options in the Canadian agricultural sector. Environ. Manage. 41:64-78.
-
(2008)
Environ. Manage
, vol.41
, pp. 64-78
-
-
Noble, B.F.1
Christmas, L.M.2
-
22
-
-
32644469710
-
-
Oak Ridge National Laboratory, Available at, (verified 9 Mar. 2010). ORNL, USDA, Oak Ridge, TN
-
Oak Ridge National Laboratory. 2009. Bioenergy conversion factors. Available at http://bioenergy.ornl.gov/papers/misc/energy_conv.html (verified 9 Mar. 2010). ORNL, USDA, Oak Ridge, TN.
-
(2009)
Bioenergy Conversion Factors
-
-
-
23
-
-
29144475803
-
-
U.S. Dep. of Energy/GO-102005-2135. Natl. Tech. Info. Serv., Springfield, VA. Pimentel, D., and M. Pimentel. 1979. Food, energy, and society. John Wiley & Sons, New York
-
Perlack, R.D., L.L. Wright, A.F. Turhollow, R.L. Graham, B.J. Stokes, and D.C. Erbach. 2005. Biomass as a feedstock for a bioenergy and bioproducts industry: The technical feasibility of a billion-ton annual supply. U.S. Dep. of Energy/GO-102005-2135. Natl. Tech. Info. Serv., Springfield, VA. Pimentel, D., and M. Pimentel. 1979. Food, energy, and society. John Wiley & Sons, New York.
-
(2005)
Biomass As a Feedstock For a Bioenergy and Bioproducts Industry: The Technical Feasibility of A Billion-ton Annual Supply
-
-
Perlack, R.D.1
Wright, L.L.2
Turhollow, A.F.3
Graham, R.L.4
Stokes, B.J.5
Erbach, D.C.6
-
24
-
-
35549004473
-
Tillage and rotation effect on corn-soybean energy balances in eastern Nebraska
-
Rathke, G.W., B.J. Wienhold, W.W. Wilheim, and W. Diepenbrock. 2007. Tillage and rotation effect on corn-soybean energy balances in eastern Nebraska. Soil Tillage Res. 97:60-70.
-
(2007)
Soil Tillage Res
, vol.97
, pp. 60-70
-
-
Rathke, G.W.1
Wienhold, B.J.2
Wilheim, W.W.3
Diepenbrock, W.4
-
25
-
-
0036751988
-
Continuous corn with moldboard tillage: Residue and fertility effects on soil carbon
-
Reicosky, D.C., S.D. Evans, C.A. Cambardela, R.R. Armaras, A.R. Wilts, and D.R. Huggins. 2002. Continuous corn with moldboard tillage: Residue and fertility effects on soil carbon. J. Soil Water Conserv. 57:277-284.
-
(2002)
J. Soil Water Conserv
, vol.57
, pp. 277-284
-
-
Reicosky, D.C.1
Evans, S.D.2
Cambardela, C.A.3
Armaras, R.R.4
Wilts, A.R.5
Huggins, D.R.6
-
26
-
-
14844317366
-
Reconciling agricultural productivity and environmental integrity: A grand challenge for agriculture
-
Robertson, G.P., and S.M. Swinton. 2005. Reconciling agricultural productivity and environmental integrity: A grand challenge for agriculture. Front. Ecol. Environ. 3:38-46.
-
(2005)
Front. Ecol. Environ
, vol.3
, pp. 38-46
-
-
Robertson, G.P.1
Swinton, S.M.2
-
27
-
-
31544479611
-
-
Available at, (verified 9 Mar. 2010). Office of the Chief Economist, USDA, Washington, DC
-
Shapouri, H., J. Duffield, A. McAloon, and M. Wang. 2004. The 2001 net energy balance of corn ethanol. Available at http://www.usda.gov/oce/reports/energy/net_energy_balance.pdf (verified 9 Mar. 2010). Office of the Chief Economist, USDA, Washington, DC.
-
(2004)
The 2001 Net Energy Balance of Corn Ethanol
-
-
Shapouri, H.1
Duffield, J.2
McAloon, A.3
Wang, M.4
-
28
-
-
0033964045
-
Nitrogen and phosphorus management on Wisconsin farms: Lessons learned for agricultural water quality programs
-
Shepard, R. 2000. Nitrogen and phosphorus management on Wisconsin farms: Lessons learned for agricultural water quality programs. J. Soil Water Conserv. 55:63-68.
-
(2000)
J. Soil Water Conserv
, vol.55
, pp. 63-68
-
-
Shepard, R.1
-
29
-
-
0032477362
-
Comparative tillage costs for crop rotations utilizing minimum tillage on a farm scale
-
Sijtsma, C.H., A.J. Campbell, N.B. McLaughlin, and M.R. Carter. 1998. Comparative tillage costs for crop rotations utilizing minimum tillage on a farm scale. Soil Tillage Res. 49:223-231.
-
(1998)
Soil Tillage Res
, vol.49
, pp. 223-231
-
-
Sijtsma, C.H.1
Campbell, A.J.2
McLaughlin, N.B.3
Carter, M.R.4
-
30
-
-
0015957924
-
Energy use in the U.S. food system
-
(Washington, DC)
-
Steinhart, J.S., and C.E. Steinhart. 1974. Energy use in the U.S. food system. Science (Washington, DC) 184:307-316.
-
(1974)
Science
, vol.184
, pp. 307-316
-
-
Steinhart, J.S.1
Steinhart, C.E.2
-
31
-
-
84899309228
-
USDA agricultural projections to 2017
-
USDA, OCE-2008-1. Available at, (verified 9 Mar. 2010). Office of the Chief Economist, World Agric. Outlook Board, Economic Res. Serv., USDA, Washington, DC
-
USDA. 2008. USDA agricultural projections to 2017. Long-term Projections Rep. OCE-2008-1. Available at http://www.ers.usda.gov/Publications/OCE081/ (verified 9 Mar. 2010). Office of the Chief Economist, World Agric. Outlook Board, Economic Res. Serv., USDA, Washington, DC.
-
(2008)
Long-term Projections Rep
-
-
-
32
-
-
45449104928
-
-
U.S. Environmental Protection Agency, EPA-SAB-08-003.Available at, (verified 9 Mar. 2010). U.S. Environmental Protection Agency, Washington, DC
-
U.S. Environmental Protection Agency. 2007. Hypoxia in the northern Gulf of Mexico: An update by the EPA Science Advisory Board. EPA-SAB-08-003.Available at http://www.epa.gov/msbasin/pdf/sab_report_2007.pdf (verified 9 Mar. 2010). U.S. Environmental Protection Agency, Washington, DC.
-
(2007)
Hypoxia In the Northern Gulf of Mexico: An Update By the EPA Science Advisory Board
-
-
|