-
3
-
-
0000539836
-
-
Physical tests for monitoring soil quality, Soil Science Society of America, Inc., Madison, WI, J.W. Doran, A.J. Jones (Eds.)
-
Arshad M.A., Lowery B., Grossman B. Methods for Assessing Soil Quality. Special Publication Number 49 1996, 123-141. Physical tests for monitoring soil quality, Soil Science Society of America, Inc., Madison, WI. J.W. Doran, A.J. Jones (Eds.).
-
(1996)
Methods for Assessing Soil Quality. Special Publication Number 49
, pp. 123-141
-
-
Arshad, M.A.1
Lowery, B.2
Grossman, B.3
-
4
-
-
0031450855
-
Effects of long-term soil acidification due to nitrogen fertilizer inputs in Wisconsin
-
Barak P., Jobe B.O., Krueger A.R., Peterson L.A., Laird D.A. Effects of long-term soil acidification due to nitrogen fertilizer inputs in Wisconsin. Plant and Soil 1997, 197:61-69.
-
(1997)
Plant and Soil
, vol.197
, pp. 61-69
-
-
Barak, P.1
Jobe, B.O.2
Krueger, A.R.3
Peterson, L.A.4
Laird, D.A.5
-
5
-
-
84958083769
-
Bulk density
-
American Society of Agronomy and Soil Science Society of America, Madison, WI, A. Klute (Ed.)
-
Blake G.R., Hartge K.H. Bulk density. Methods of Soil Analysis. Part 1. 2nd ed. Agronomy Monograph Number 9 1986, 363-375. American Society of Agronomy and Soil Science Society of America, Madison, WI. A. Klute (Ed.).
-
(1986)
Methods of Soil Analysis. Part 1. 2nd ed. Agronomy Monograph Number 9
, pp. 363-375
-
-
Blake, G.R.1
Hartge, K.H.2
-
6
-
-
84936617402
-
Determination of total, organic and available form of phosphorus in soil
-
Bray R.H., Kurtz L.T. Determination of total, organic and available form of phosphorus in soil. Soil Science Society of America Proceedings 1945, 59:39-45.
-
(1945)
Soil Science Society of America Proceedings
, vol.59
, pp. 39-45
-
-
Bray, R.H.1
Kurtz, L.T.2
-
7
-
-
0027044264
-
Particulate soil organic-matter changes across a grassland cultivation sequence
-
Cambardella C.A., Elliott E.T. Particulate soil organic-matter changes across a grassland cultivation sequence. Soil Science Society of America Journal 1992, 56:777-783.
-
(1992)
Soil Science Society of America Journal
, vol.56
, pp. 777-783
-
-
Cambardella, C.A.1
Elliott, E.T.2
-
10
-
-
85102599948
-
Potentially mineralizable nitrogen as an indicator of biologically active soil nitrogen
-
SSSA, Inc., Madison, WI, J.W. Doran, A.J. Jones (Eds.)
-
Drinkwater L.E., Cambardella C.A., Reeder J.D., Rice C.W. Potentially mineralizable nitrogen as an indicator of biologically active soil nitrogen. Methods for Assessing Soil Quality. Soil Science Society of America (SSSA) Special Publication Number 49 1996, 217-229. SSSA, Inc., Madison, WI. J.W. Doran, A.J. Jones (Eds.).
-
(1996)
Methods for Assessing Soil Quality. Soil Science Society of America (SSSA) Special Publication Number 49
, pp. 217-229
-
-
Drinkwater, L.E.1
Cambardella, C.A.2
Reeder, J.D.3
Rice, C.W.4
-
11
-
-
85127208802
-
Soil test interpretations: basic cation saturation ratios and sufficiency levels
-
SSSA, Madison, WI, J.R. Brown (Ed.)
-
Eckert D.J. Soil test interpretations: basic cation saturation ratios and sufficiency levels. Soil Testing: Sampling, Correlation, Calibration, and interpretation. Soil Science Society of America (SSSA) Special Publication No. 21 1987, 53-64. SSSA, Madison, WI. J.R. Brown (Ed.).
-
(1987)
Soil Testing: Sampling, Correlation, Calibration, and interpretation. Soil Science Society of America (SSSA) Special Publication No. 21
, pp. 53-64
-
-
Eckert, D.J.1
-
13
-
-
71549164094
-
No-tillage improvement of soil physical quality in calcareous, degradation-prone, semiarid soils
-
Fernandez-Ugale O., Virto I., Bescansa P., Imaz M.J., Enrique A., Karlen D.L. No-tillage improvement of soil physical quality in calcareous, degradation-prone, semiarid soils. Soil & Tillage Research 2009, 106:29-35.
-
(2009)
Soil & Tillage Research
, vol.106
, pp. 29-35
-
-
Fernandez-Ugale, O.1
Virto, I.2
Bescansa, P.3
Imaz, M.J.4
Enrique, A.5
Karlen, D.L.6
-
14
-
-
77949485325
-
Soil quality indicator response to tillage and residue management on semi-arid Mediterranean cropland
-
Imaz M.J., Virto I., Bescansa P., Enrique A., Fernandez-Ugalde O., Karlen D.L. Soil quality indicator response to tillage and residue management on semi-arid Mediterranean cropland. Soil & Tillage Research 2010, 107:17-25.
-
(2010)
Soil & Tillage Research
, vol.107
, pp. 17-25
-
-
Imaz, M.J.1
Virto, I.2
Bescansa, P.3
Enrique, A.4
Fernandez-Ugalde, O.5
Karlen, D.L.6
-
15
-
-
68149089599
-
Cover crop and liquid manure effects on soil quality indicators in a corn silage system
-
Jokela W.E., Grabber J.H., Karlen D.L., Balser T.C., Palmquist D.E. Cover crop and liquid manure effects on soil quality indicators in a corn silage system. Agronomy Journal 2009, 101:727-737.
-
(2009)
Agronomy Journal
, vol.101
, pp. 727-737
-
-
Jokela, W.E.1
Grabber, J.H.2
Karlen, D.L.3
Balser, T.C.4
Palmquist, D.E.5
-
16
-
-
0031285130
-
Soil quality: a concept, definition, and framework for evaluation
-
Karlen D.L., Mausbach M.J., Doran J.W., Cline R.G., Harris R.F., Schuman G.E. Soil quality: a concept, definition, and framework for evaluation. Soil Science Society of America Journal 1997, 61:4-10.
-
(1997)
Soil Science Society of America Journal
, vol.61
, pp. 4-10
-
-
Karlen, D.L.1
Mausbach, M.J.2
Doran, J.W.3
Cline, R.G.4
Harris, R.F.5
Schuman, G.E.6
-
17
-
-
0036220911
-
Soil-test dynamics throughout a five-year 'Thompson Farm' rotation in Iowa
-
Karlen D.L., Kohler K.A., Laird D.A., Thompson R.L., Buhler D.D. Soil-test dynamics throughout a five-year 'Thompson Farm' rotation in Iowa. American Journal of Alternative Agriculture 2002, 17:9-17.
-
(2002)
American Journal of Alternative Agriculture
, vol.17
, pp. 9-17
-
-
Karlen, D.L.1
Kohler, K.A.2
Laird, D.A.3
Thompson, R.L.4
Buhler, D.D.5
-
18
-
-
33646781214
-
Crop rotation effects on soil quality at three northern corn/soybean belt locations
-
Karlen D.L., Hurley E.G., Andrews S.S., Cambardella C.A., Meek D.W., Duffy M.D., Mallarino A.P. Crop rotation effects on soil quality at three northern corn/soybean belt locations. Agronomy Journal 2006, 98:484-495.
-
(2006)
Agronomy Journal
, vol.98
, pp. 484-495
-
-
Karlen, D.L.1
Hurley, E.G.2
Andrews, S.S.3
Cambardella, C.A.4
Meek, D.W.5
Duffy, M.D.6
Mallarino, A.P.7
-
19
-
-
79951755904
-
Soil quality assessment: past, present and future
-
Karlen D.L., Andrews S.S., Wienhold B.J., Zobeck T.M. Soil quality assessment: past, present and future. Journal of Integrated Biosciences 2008, 6(1):3-14.
-
(2008)
Journal of Integrated Biosciences
, vol.6
, Issue.1
, pp. 3-14
-
-
Karlen, D.L.1
Andrews, S.S.2
Wienhold, B.J.3
Zobeck, T.M.4
-
20
-
-
84901485949
-
Midwest soil and water conservation: past, present and future
-
Soil Science Society of America. Inc., Madison, WI, T.M. Zobeck, W.F. Schillinger (Eds.)
-
Karlen D.L., Dinnes D.L., Singer J.W. Midwest soil and water conservation: past, present and future. Soil and Water Conservation Advances in the US: Past Efforts - Future Outlook 2010, 131-162. Soil Science Society of America. Inc., Madison, WI. T.M. Zobeck, W.F. Schillinger (Eds.).
-
(2010)
Soil and Water Conservation Advances in the US: Past Efforts - Future Outlook
, pp. 131-162
-
-
Karlen, D.L.1
Dinnes, D.L.2
Singer, J.W.3
-
21
-
-
79951755491
-
Monitoring soil quality to assess the sustainability of harvesting corn stover
-
Karlen D.L., Varvel G.E., Johnson J.M.F., Baker J.M., Osborne S.L., Novak J.M., Adler P.R., Roth G.W., Birrell S.J. Monitoring soil quality to assess the sustainability of harvesting corn stover. Agronomy Journal 2011, 103:288-295.
-
(2011)
Agronomy Journal
, vol.103
, pp. 288-295
-
-
Karlen, D.L.1
Varvel, G.E.2
Johnson, J.M.F.3
Baker, J.M.4
Osborne, S.L.5
Novak, J.M.6
Adler, P.R.7
Roth, G.W.8
Birrell, S.J.9
-
22
-
-
84874796520
-
Thirty-year tillage effects on crop yield and soil fertility indicators
-
Karlen D.L., Kovar J.L., Cambardella C.A., Colvin T.S. Thirty-year tillage effects on crop yield and soil fertility indicators. Soil & Tillage Research 2013, 130:28-41.
-
(2013)
Soil & Tillage Research
, vol.130
, pp. 28-41
-
-
Karlen, D.L.1
Kovar, J.L.2
Cambardella, C.A.3
Colvin, T.S.4
-
23
-
-
0002488450
-
Determination of isotope-ratio analysis of different forms of nitrogen in soils: VI. Mineralizable nitrogen
-
Keeney D.R., Bremner J.M. Determination of isotope-ratio analysis of different forms of nitrogen in soils: VI. Mineralizable nitrogen. Soil Science Society of America Proceedings 1967, 31:34-39.
-
(1967)
Soil Science Society of America Proceedings
, vol.31
, pp. 34-39
-
-
Keeney, D.R.1
Bremner, J.M.2
-
24
-
-
84880027197
-
Distribution of phosphorus and potassium following surface banding of fertilizer in conservation tillage systems
-
Available at
-
Kovar J.L., Bortolon L., Karlen D.L. Distribution of phosphorus and potassium following surface banding of fertilizer in conservation tillage systems. Proceedings of XVI International Plant Nutrition Colloquium 2009, Available at: http://repositories.cdlib.org/ipnc/xvi/1345.
-
(2009)
Proceedings of XVI International Plant Nutrition Colloquium
-
-
Kovar, J.L.1
Bortolon, L.2
Karlen, D.L.3
-
25
-
-
33644746347
-
Cropping system effects on soil biological characteristics in the Great Plains
-
Liebig M., Carpenter-Boggs L., Johnson J.M.F., Wright S., Barbour N. Cropping system effects on soil biological characteristics in the Great Plains. Renewable Agricultural and Food Systems 2006, 21:36-48.
-
(2006)
Renewable Agricultural and Food Systems
, vol.21
, pp. 36-48
-
-
Liebig, M.1
Carpenter-Boggs, L.2
Johnson, J.M.F.3
Wright, S.4
Barbour, N.5
-
26
-
-
0030613360
-
Release and fixation of ammonium and potassium under long-term fertility management
-
Liu Y.J., Laird D.A., Barak P. Release and fixation of ammonium and potassium under long-term fertility management. Soil Science Society of America Journal 1997, 61:310-314.
-
(1997)
Soil Science Society of America Journal
, vol.61
, pp. 310-314
-
-
Liu, Y.J.1
Laird, D.A.2
Barak, P.3
-
27
-
-
0004084945
-
-
Van Nostrand Reinhold Co., New York, E.R. Phillips, S.H. Phillips (Eds.)
-
No-Tillage Agriculture, Principles and Practices 1984, 306. Van Nostrand Reinhold Co., New York. E.R. Phillips, S.H. Phillips (Eds.).
-
(1984)
No-Tillage Agriculture, Principles and Practices
, pp. 306
-
-
-
28
-
-
0003638714
-
-
University of Iowa Press, Iowa City, IA
-
Prior J. Landforms of Iowa 1991, 168. University of Iowa Press, Iowa City, IA.
-
(1991)
Landforms of Iowa
, pp. 168
-
-
Prior, J.1
-
29
-
-
32044438665
-
Nitrogen fertilization and cropping system impacts on soil quality in Midwestern Mollisols
-
Russell A.E., Laird D.A., Mallarino A.P. Nitrogen fertilization and cropping system impacts on soil quality in Midwestern Mollisols. Soil Science Society of America Journal 2006, 70:249-255.
-
(2006)
Soil Science Society of America Journal
, vol.70
, pp. 249-255
-
-
Russell, A.E.1
Laird, D.A.2
Mallarino, A.P.3
-
30
-
-
0742308053
-
-
Iowa State University Extension, Ames, IA, Available online at
-
Sawyer J.E., Mallarino A.P., Killorn R., Barnhart S.K. A General Guide for Crop Nutrient and Limestone Recommendations in Iowa. PM-1688 2011, Iowa State University Extension, Ames, IA, Available online at: http://222.extension.iastate.edu/Publications?PM1688.pdf.
-
(2011)
A General Guide for Crop Nutrient and Limestone Recommendations in Iowa. PM-1688
-
-
Sawyer, J.E.1
Mallarino, A.P.2
Killorn, R.3
Barnhart, S.K.4
-
31
-
-
0004282518
-
-
SAS Inst., Cary, NC, SAS Institute
-
SAS Institute SAA/STAT User's Guide. Version 6 1990, SAS Inst., Cary, NC. 4th ed.
-
(1990)
SAA/STAT User's Guide. Version 6
-
-
-
32
-
-
84906568480
-
-
United States Department of Agriculture (USDA). Official Soil Series Descriptions, Online at
-
Soil Survey Staff Natural Resources Conservation Service (NRCS) 2010, United States Department of Agriculture (USDA). Official Soil Series Descriptions, Online at: http://soils.usda.gov/technical/classification/osd/index.html.
-
(2010)
Soil Survey Staff Natural Resources Conservation Service (NRCS)
-
-
-
33
-
-
0024250302
-
A direct extraction method to estimate soil microbial C: calibration in situ using microbial respiration and 14C labeled cells
-
Sparling G.P., West A.W. A direct extraction method to estimate soil microbial C: calibration in situ using microbial respiration and 14C labeled cells. Soil Biology and Biochemistry 1988, 20:337-677.
-
(1988)
Soil Biology and Biochemistry
, vol.20
, pp. 337-677
-
-
Sparling, G.P.1
West, A.W.2
-
34
-
-
73849139440
-
Evaluation of β-glucosidase activity as a soil quality indicator for the soil management assessment framework (SMAF)
-
Stott D.E., Andrews S.S., Liebig M.A., Wienhold B.J., Karlen D.L. Evaluation of β-glucosidase activity as a soil quality indicator for the soil management assessment framework (SMAF). Soil Science Society of America Journal 2010, 74:107-119.
-
(2010)
Soil Science Society of America Journal
, vol.74
, pp. 107-119
-
-
Stott, D.E.1
Andrews, S.S.2
Liebig, M.A.3
Wienhold, B.J.4
Karlen, D.L.5
-
35
-
-
83055198309
-
A Soil quality assessment within the Iowa River south fork watershed
-
Stott D.E., Cambardella C.A., Wolf R., Tomer M.D., Karlen D.L. A Soil quality assessment within the Iowa River south fork watershed. Soil Science Society of America Journal 2011, 75:2271-2282.
-
(2011)
Soil Science Society of America Journal
, vol.75
, pp. 2271-2282
-
-
Stott, D.E.1
Cambardella, C.A.2
Wolf, R.3
Tomer, M.D.4
Karlen, D.L.5
-
36
-
-
0003484665
-
-
USDA-Natural Resources Conservation Service (NRCS), Washington, DC, USDA-Soil Conservation Service (SCS)
-
USDA-Soil Conservation Service (SCS) Soil Survey of Boone County, Iowa 1981, USDA-Natural Resources Conservation Service (NRCS), Washington, DC, pp. 200.
-
(1981)
Soil Survey of Boone County, Iowa
, pp. 200
-
-
-
38
-
-
79956068340
-
No-tillage increases soil profile carbon and nitrogen under long-term rainfed cropping systems
-
Varvel G.E., Wilhelm W.W. No-tillage increases soil profile carbon and nitrogen under long-term rainfed cropping systems. Soil & Tillage Research 2011, 114:28-36.
-
(2011)
Soil & Tillage Research
, vol.114
, pp. 28-36
-
-
Varvel, G.E.1
Wilhelm, W.W.2
-
39
-
-
0032079117
-
A volumetric inorganic carbon analysis system
-
Wagner S.W., Hanson J.D., Olness A., Voorhees W.B. A volumetric inorganic carbon analysis system. Soil Science Society of America Journal 1998, 62:690-693.
-
(1998)
Soil Science Society of America Journal
, vol.62
, pp. 690-693
-
-
Wagner, S.W.1
Hanson, J.D.2
Olness, A.3
Voorhees, W.B.4
-
40
-
-
0002920743
-
Potassium and other basic cations
-
Missouri Agricultural Experimental Station, Columbia, MO, J.R. Brown (Ed.)
-
Warncke D., Brown J.R. Potassium and other basic cations. Recommended Chemical Soil Test Procedures for the North Central Region (NCR), NCR Publication Number 221 (Revised) 1998, 31-34. Missouri Agricultural Experimental Station, Columbia, MO. J.R. Brown (Ed.).
-
(1998)
Recommended Chemical Soil Test Procedures for the North Central Region (NCR), NCR Publication Number 221 (Revised)
, pp. 31-34
-
-
Warncke, D.1
Brown, J.R.2
-
41
-
-
0000266785
-
PH and lime requirement
-
Missouri Agricultural Experimental Station, Columbia, MO, J.R. Brown (Ed.)
-
Watson M.E., Brown J.R. pH and lime requirement. Recommended Chemical Soil Test Procedures for the North Central Region (NCR), NCR Publication Number 221 (Revised) 1998, 13-16. Missouri Agricultural Experimental Station, Columbia, MO. J.R. Brown (Ed.).
-
(1998)
Recommended Chemical Soil Test Procedures for the North Central Region (NCR), NCR Publication Number 221 (Revised)
, pp. 13-16
-
-
Watson, M.E.1
Brown, J.R.2
-
42
-
-
0002265369
-
Soil salinity
-
Missouri Agricultural Experimental Station, Columbia, MO, J.R. Brown (Ed.)
-
Whitney D.A. Soil salinity. Recommended Chemical Soil Test Procedures for the North Central Region (NCR), NCR Publication Number 221 (Revised) 1998, 59-60. Missouri Agricultural Experimental Station, Columbia, MO. J.R. Brown (Ed.).
-
(1998)
Recommended Chemical Soil Test Procedures for the North Central Region (NCR), NCR Publication Number 221 (Revised)
, pp. 59-60
-
-
Whitney, D.A.1
-
43
-
-
33644748290
-
Cropping system effects on soil quality in the Great Plains: synthesis from a regional project
-
Wienhold B.J., Pikul J.L., Liebig M.A., Mikha M.M., Varvel G.E., Doran J.W., Andrews S.S. Cropping system effects on soil quality in the Great Plains: synthesis from a regional project. Renewable Agricultural and Food Systems 2006, 21:49-59.
-
(2006)
Renewable Agricultural and Food Systems
, vol.21
, pp. 49-59
-
-
Wienhold, B.J.1
Pikul, J.L.2
Liebig, M.A.3
Mikha, M.M.4
Varvel, G.E.5
Doran, J.W.6
Andrews, S.S.7
-
44
-
-
74149090923
-
Protocol for indicator scoring in the soil management assessment framework (SMAF)
-
Wienhold B.J., Karlen D.L., Andrews S.S., Stott D.E. Protocol for indicator scoring in the soil management assessment framework (SMAF). Renewable Agricultural and Food Systems 2009, 24:260-266.
-
(2009)
Renewable Agricultural and Food Systems
, vol.24
, pp. 260-266
-
-
Wienhold, B.J.1
Karlen, D.L.2
Andrews, S.S.3
Stott, D.E.4
-
45
-
-
0000909059
-
A direct method of aggregate analysis of soils and a study of the physical nature of erosion losses
-
Yoder R.E. A direct method of aggregate analysis of soils and a study of the physical nature of erosion losses. Journal of the American Society of Agronomy 1936, 28:337-351.
-
(1936)
Journal of the American Society of Agronomy
, vol.28
, pp. 337-351
-
-
Yoder, R.E.1
-
46
-
-
57149109649
-
Comparison of two soil quality indexes to evaluate cropping systems in northern Colorado
-
Zobeck T.M., Halvorson A.D., Wienhold B.J., Acosta Martinez V., Karlen D.L. Comparison of two soil quality indexes to evaluate cropping systems in northern Colorado. Journal of Soil and Water Conservation 2008, 63:329-338.
-
(2008)
Journal of Soil and Water Conservation
, vol.63
, pp. 329-338
-
-
Zobeck, T.M.1
Halvorson, A.D.2
Wienhold, B.J.3
Acosta Martinez, V.4
Karlen, D.L.5
|