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References from Soil fertility status and wheat nutrient content in Vertisol cropping systems of central highlands of Ethiopia. Local targets link to admitted publications; unresolved targets remain external evidence.
10.1016/j.jenvman.2006.04.010
10.1016/j.jenvman.2006.04.010 · 2007 · External reference
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2010 · External reference
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2000 · External reference
10.1126/science.280.5360.112
10.1126/science.280.5360.112 · 1998 · External reference
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10.2136/sssaspecpub51.c2
10.2136/sssaspecpub51.c2 · External reference
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10.1126/science.1065256
10.1126/science.1065256 · 2002 · External reference
10.1016/j.agee.2004.12.010
10.1016/j.agee.2004.12.010 · 2005 · External reference
10.1023/a:1009764702808
10.1023/a:1009764702808 · 1997 · External reference
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1998 · External reference
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2002 · External reference
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2004 · External reference
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1998 · External reference
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2005 · External reference
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10.2134/agronmonogr9.1
10.2134/agronmonogr9.1 · External reference
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10.1071/ar9590340
10.1071/ar9590340 · 1959 · External reference
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10.1080/00103627709366714
10.1080/00103627709366714 · 1977 · External reference
10.1080/00103628409367568
10.1080/00103628409367568 · 1984 · External reference
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1953 · External reference
10.2134/agronmonogr9.2.2ed.c31
10.2134/agronmonogr9.2.2ed.c31 · External reference
10.1201/9781420025293
10.1201/9781420025293 · External reference
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1989 · External reference
10.1080/02571862.2008.10639905
10.1080/02571862.2008.10639905 · 2008 · External reference
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2009 · External reference
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2000 · External reference
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2001 · External reference
10.1071/9780643094680
10.1071/9780643094680 · External reference
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1991 · External reference
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1991 · External reference
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2002 · External reference
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2003 · External reference
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1999 · External reference
10.1080/00103628509367607
10.1080/00103628509367607 · 1985 · External reference
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2003 · External reference
10.2136/sssabookser4.2ed.c12
10.2136/sssabookser4.2ed.c12 · External reference
10.1080/00103629209368565
10.1080/00103629209368565 · 1992 · External reference
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1989 · External reference
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2004 · External reference
10.1007/bf00210220
10.1007/bf00210220 · 1996 · External reference
10.1071/sr9920145
10.1071/sr9920145 · 1992 · External reference
10.2136/sssaj1988.03615995005200030008x
10.2136/sssaj1988.03615995005200030008x · 1988 · External reference
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2013 · External reference
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2011 · External reference
10.1080/00103620802625641
10.1080/00103620802625641 · 2009 · External reference
10.1590/s0100-06832009000500019
10.1590/s0100-06832009000500019 · 2009 · External reference
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2014 · External reference
10.1080/00103628209367292
10.1080/00103628209367292 · 1982 · External reference
10.1080/01904160601171207
10.1080/01904160601171207 · 2007 · External reference
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1991 · External reference
10.1017/s0014479704002029
10.1017/s0014479704002029 · 2004 · External reference
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