-
1
-
-
0343303534
-
Effect of 20 years of low N rate pasture fertilization on soil acidity
-
Berg, W. A. 1986. Effect of 20 years of low N rate pasture fertilization on soil acidity. J. Range Manage. 39:122-124.
-
(1986)
J. Range Manage
, vol.39
, pp. 122-124
-
-
Berg, W.A.1
-
2
-
-
0343303533
-
Soil nitrogen accumulation in fertilized pastures of the Southern Plains
-
Berg, W. A. 1988. Soil nitrogen accumulation in fertilized pastures of the Southern Plains. J. Range Manage. 41:22-25.
-
(1988)
J. Range Manage
, vol.41
, pp. 22-25
-
-
Berg, W.A.1
-
3
-
-
0002309736
-
Sand sagebrush-mixed prairie
-
T. N. Shiflet (ed.) SRM, Denver, Colo.
-
Berg, W. A. 1994. Sand sagebrush-mixed prairie. pp. 99. In: T. N. Shiflet (ed.) Rangeland cover types of the United States. SRM, Denver, Colo.
-
(1994)
Rangeland Cover Types of the United States
, pp. 99
-
-
Berg, W.A.1
-
4
-
-
0002440073
-
Nitrogen fertilizer use efficiency in steer gain on old world bluestem
-
Berg, W. A. and P. L. Sims. 1995. Nitrogen fertilizer use efficiency in steer gain on Old World bluestem. J. Range Manage. 48:465-469.
-
(1995)
J. Range Manage
, vol.48
, pp. 465-469
-
-
Berg, W.A.1
Sims, P.L.2
-
5
-
-
0030824572
-
Long-term soil nitrogen and vegetation change on sandhill rangeland
-
Berg, W. A., J. A. Bradford, and P. L. Sims. 1997. Long-term soil nitrogen and vegetation change on sandhill rangeland. J. Range Manage. 50:482-486.
-
(1997)
J. Range Manage
, vol.50
, pp. 482-486
-
-
Berg, W.A.1
Bradford, J.A.2
Sims, P.L.3
-
6
-
-
85104366892
-
Fertilizer nitrogen management
-
R. F. Follett, D. R. Keeney, and R. M. Cruse (eds.) Soil Sci. Soc. Amer. Madison, Wisc.
-
Bock, B. R. and G. W. Hergert. 1991. Fertilizer nitrogen management. p. 139-164. In R. F. Follett, D. R. Keeney, and R. M. Cruse (eds.). Managing nitrogen for ground water quality and farm profitability. Soil Sci. Soc. Amer. Madison, Wisc.
-
(1991)
Managing Nitrogen for Ground Water Quality and Farm Profitability
, pp. 139-164
-
-
Bock, B.R.1
Hergert, G.W.2
-
7
-
-
0020918819
-
A simple method for determination of ammonium in semimicro-kjeldahl analysis of soils and plant materials using a block digester
-
Bremner, J. M. and G. A. Breitenbeck. 1983. A simple method for determination of ammonium in semimicro-kjeldahl analysis of soils and plant materials using a block digester. Commun. Soil Sci. Plant Anal. 14:905-913.
-
(1983)
Commun. Soil Sci. Plant Anal.
, vol.14
, pp. 905-913
-
-
Bremner, J.M.1
Breitenbeck, G.A.2
-
9
-
-
85102912899
-
Testing soils for available nitrogen
-
R. L. Westerman (ed.) Soil Sci. Soc. Amer. Inc. Madison, Wis.
-
Dahnke, W. C. and G. V. Johnson. 1990. Testing soils for available nitrogen. p. 127-139. In: R. L. Westerman (ed.) Soil testing and plant analysis. Soil Sci. Soc. Amer. Inc. Madison, Wis.
-
(1990)
Soil Testing and Plant Analysis
, pp. 127-139
-
-
Dahnke, W.C.1
Johnson, G.V.2
-
10
-
-
85102990293
-
Physiological effects of hydrogen, aluminum, and manganese toxicities in acid soil
-
F. Adams (ed) Amer. Soc. Agron. Madison, Wisc.
-
Foy, C. D. 1984. Physiological effects of hydrogen, aluminum, and manganese toxicities in acid soil. p. 57-97. In: F. Adams (ed) Soil Acidity and Liming, 2nd ed. Amer. Soc. Agron. Madison, Wisc.
-
(1984)
Soil Acidity and Liming, 2nd Ed.
, pp. 57-97
-
-
Foy, C.D.1
-
11
-
-
0008435991
-
Recommended nitrate-N tests
-
North Dakota Agric. Exp. Sta. Bull 499. North Dakota Agric. Exp. Sta. Fargo, N.D.
-
Gelderman, R. H. and P. E. Fixen. 1988. Recommended nitrate-N tests. p. 10-12. In: Recommended Chemical Soil Test Procedures. North Dakota Agric. Exp. Sta. Bull 499. North Dakota Agric. Exp. Sta. Fargo, N.D.
-
(1988)
Recommended Chemical Soil Test Procedures
, pp. 10-12
-
-
Gelderman, R.H.1
Fixen, P.E.2
-
12
-
-
0004196169
-
-
USDA Tech. Bull. 1164. U.S. Printing Office, Washington, D.C.
-
Haas, H. J., C. E. Evans, and E. F. Miles. 1957. Nitrogen and carbon changes in Great Plains soils as influenced by cropping and soil treatments. USDA Tech. Bull. 1164. U.S. Printing Office, Washington, D.C.
-
(1957)
Nitrogen and Carbon Changes in Great Plains Soils As Influenced by Cropping and Soil Treatments
-
-
Haas, H.J.1
Evans, C.E.2
Miles, E.F.3
-
13
-
-
0000677835
-
Nitrogen-inorganic forms
-
A. L. Page (ed.) Amer. Soc. Agron. Madison, Wisc.
-
Keeny, D.R. and D.W. Nelson. 1982. Nitrogen-Inorganic forms. p. 643-698. In A. L. Page (ed.) Methods of soil analysis, Part 2. Amer. Soc. Agron. Madison, Wisc.
-
(1982)
Methods of Soil Analysis, Part 2.
, pp. 643-698
-
-
Keeny, D.R.1
Nelson, D.W.2
-
14
-
-
0027029339
-
Short-grass steppe
-
R. T.Coupland (ed.) Elsevier, New York
-
Lauenroth, W.K. and D.G. Milchunas. 1991. Short-grass steppe. p. 183-226. In: R. T.Coupland (ed.) Natural Grasslands: Introduction and Western Hemisphere, Ecosystems of the World. Vol. 8A, Elsevier, New York.
-
(1991)
Natural Grasslands: Introduction and Western Hemisphere, Ecosystems of the World.
, vol.8 A
, pp. 183-226
-
-
Lauenroth, W.K.1
Milchunas, D.G.2
-
15
-
-
0021339317
-
The influence of tillage methods, cropping sequence, and N rates on the acidification of a northern Idaho soil
-
Mahler, R.H., and R.W. Harder. 1984. The influence of tillage methods, cropping sequence, and N rates on the acidification of a northern Idaho soil. Soil Sci. 137:52-60.
-
(1984)
Soil Sci.
, vol.137
, pp. 52-60
-
-
Mahler, R.H.1
Harder, R.W.2
-
16
-
-
0000993464
-
Acidification of a luvisolic soil caused by low rate, long-term applications of fertilizers and its effects on growth of alfalfa
-
McCoy, D.A., and G.R. Webster. 1977. Acidification of a luvisolic soil caused by low rate, long-term applications of fertilizers and its effects on growth of alfalfa. Can. J. Soil Sci. 57:119-127.
-
(1977)
Can. J. Soil Sci.
, vol.57
, pp. 119-127
-
-
McCoy, D.A.1
Webster, G.R.2
-
17
-
-
0000481203
-
Total carbon, organic carbon, and organic matter
-
A. L. Page (ed.) Amer. Soc. Agron. Madison, Wisc.
-
Nelson, D.W. and L.E. Sommers. 1982. Total carbon, organic carbon, and organic matter, p. 539-579. In: A. L. Page (ed.) Methods of soil analysis, Part 2. Amer. Soc. Agron. Madison, Wisc.
-
(1982)
Methods of Soil Analysis, Part 2
, pp. 539-579
-
-
Nelson, D.W.1
Sommers, L.E.2
-
18
-
-
0342433977
-
Acidifying nitrogen compounds and range fertilization
-
Owensby, C. E., and J. L. Launchbaugh. 1971. Acidifying nitrogen compounds and range fertilization. J. Range Manage. 24:203-206.
-
(1971)
J. Range Manage
, vol.24
, pp. 203-206
-
-
Owensby, C.E.1
Launchbaugh, J.L.2
-
19
-
-
0002488384
-
Some chemical properties of a silt loam soil after 20 years' nitrogen and phosphorus fertilization of smooth bromegrass (Bromus inermis Leyss.)
-
Owensby, C.E., K.L. Anderson, and D. A. Whitney. 1969. Some chemical properties of a silt loam soil after 20 years' nitrogen and phosphorus fertilization of smooth bromegrass (Bromus inermis Leyss.). Soil Sci. 108:24-29.
-
(1969)
Soil Sci.
, vol.108
, pp. 24-29
-
-
Owensby, C.E.1
Anderson, K.L.2
Whitney, D.A.3
-
20
-
-
0004282518
-
-
SAS Institute. Cary, N.C.
-
SAS Institute. 1985. SAS user's guide: Basics. SAS Institute. Cary, N.C.
-
(1985)
SAS User's Guide: Basics
-
-
-
21
-
-
0342433976
-
Old world bluestems and their forage potential for the Southern Great Plains. A review of early studies
-
15 p
-
Sims, P. L. and C. L. Dewald, 1982. Old World bluestems and their forage potential for the Southern Great Plains. A review of early studies. Agr. Res. Serv. Agr. Rev. Man., South. Series, No. 28. 15 p.
-
(1982)
Agr. Res. Serv. Agr. Rev. Man., South. Series
, vol.28
-
-
Sims, P.L.1
Dewald, C.L.2
-
22
-
-
84981838493
-
A two stage technique for the in vitro digestion of forage crops
-
Tilley, J. M. A. and R. A. Terry. 1963. A two stage technique for the in vitro digestion of forage crops. J. Brit. Grassl. Soc. 18:104-111.
-
(1963)
J. Brit. Grassl. Soc.
, vol.18
, pp. 104-111
-
-
Tilley, J.M.A.1
Terry, R.A.2
-
23
-
-
0343739038
-
Factors affecting soil acidity
-
Westerman, R. L. 1981. Factors affecting soil acidity. Solutions 25:64-81
-
(1981)
Solutions
, vol.25
, pp. 64-81
-
-
Westerman, R.L.1
-
24
-
-
0000937710
-
In vivo digestibility, crude protein, and phosphorus content of straw of winter wheat, spring wheat, barley, and oat cultivars in eastern Montana
-
White, L. M., G. P. Hartman, and J. W. Bergman. 1981. In vivo digestibility, crude protein, and phosphorus content of straw of winter wheat, spring wheat, barley, and oat cultivars in eastern Montana. Agron. J. 73:117-121.
-
(1981)
Agron. J.
, vol.73
, pp. 117-121
-
-
White, L.M.1
Hartman, G.P.2
Bergman, J.W.3
-
25
-
-
0000110306
-
Additions and losses in nitrogen in grassland ecosystems
-
Woodmansee, R. G. 1978. Additions and losses in nitrogen in grassland ecosystems. Bioscience 28:448-453.
-
(1978)
Bioscience
, vol.28
, pp. 448-453
-
-
Woodmansee, R.G.1
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