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Long-term response of spring wheat to N and P fertilization in southwestern Saskatchewan

Zentner, R.P.; Brandt, K.; Campbell, C.A.; Wang, H.; Cade-Menun, B.J.; Lemke, R.; Gan, Y.; McConkey, B.G.; Hamel, C.; Cutforth, H.; Fernandez, M.R. (2010-02-24)

Long-term rotation at Indian Head

Towill, W. (1980-02-18)

Long-term straw management and N fertilizer rate effects on crop yield, N uptake and N balance sheet in a Black Chernozem

Malhi, S.S.; Nyborg, M.; Solberg, E.D.; Dyck, M.; Puurveen, D.; Leach, D. (2012-03-13)

A field experiment with barley monoculture (1983-1996), and wheat/barley-canola-triticale-pea rotation (1997-2009) was conducted on a Black Chernozem [Albic Argicryoll] silty clay loam at Ellerslie, Alberta, to assess ...

Long-term straw management and N fertilizer rate effects on crop yield, N uptake and N balance sheet in a Gray Luvisol

Malhi, S.S.; Nyborg, M.; Solberg, E.D.; Dyck, M.; Puurveen, D.; Leach, D. (2012-03-13)

A field experiment with barley monoculture (1983-1996), and wheat/barley-canola-triticale-pea rotation (1997-2009) was conducted on a Gray Luvisol [Typic Haplocryalf] loam soil at Breton, Alberta, to assess the influence ...

Long-term straw management and N fertilizer rate effects on soil organic C and N, and some chemical properties in a Black Chernozem

Malhi, S.S.; Nyborg, N.; Solberg, E.D.; McConkey, B.; Dyck, M.; Puurveen, D.; Leach, D. (2011-03-15)

Long-term straw management and N fertilizer rate effects on soil organic C and N, and some chemical properties in a Gray Luvisol

Malhi, S.S.; Nyborg, M.; Solberg, E.D.; McConkey, B.; Dyck, M.; Puurveen, D.; Leach, D. (2011-03-15)

Long-term tillage and crop rotation effect on soil aggregation

McConkey, B.G.; Liang, B.C.; Campbell, C.A.; Moulin, A.; Brandt, S.A.; Lafond, G.P. (2000-02-22)

Tillage and cropping sequences play a key role in controlling soil aggregation. We measured water-stable aggregate (WSA), wind erodible fraction (WEF), and geometric mean diameter (GMD) for six mid to longterm (8 to 25 ...

Long-term tillage, straw management and N fertilizer rate effects on crop yield, N uptake and N balance sheet in a Black Chernozem

Malhi, S.S.; Nyborg, M.; Dyck, M.; Puurveen, D.; Leach, D. (2012-03-13)

A field experiment (established in autumn 1979, with monoculture barley [1980-1990] and barley/wheat-canola-triticale-pea rotation [1991-2008]) was conducted on a Black Chernozem [Albic Agricryoll] silty clay loam soil ...

Long-term tillage, straw management, and N fertilizer rate effects on crop yield, N uptake, and N balance sheet in a Gray Luvisol

Malhi, S.S.; Nyborg, M.; Dyck, M.; Puurveen, D.; Leach, D. (2012-03-13)

A field experiment (established in autumn 1979, with monoculture barley [1980-1990] and barley/wheat-canola-triticale-pea rotation [1991-2008] was conducted on a Gray Luvisol [Typic Haplocryalf] loam soil at Breton, ...

Long-term tillage, straw, and N rate effects on quantity and quality of organic C and N in a Black Chernozem soil

Malhi, S.S.; Nyborg, M.; Goddard, T.; Puurveen, D. (2010-02-24)

Long-term tillage, straw, and N rate effects on quantity and quality of organic C and N in a Black Chernozemic soil

Malhi, S.S.; Nyborg, M.; Solberg, E.; DeMulder, J.; Zhang, Z.; Wang, Z.H.; Leach, D. (2004-02-19)

Long-term tillage, straw, and N rate effects on quantity and quality of organic C and N in a Gray Luvisol soil

Malhi, S.S.; Nyborg, M.; Goddard, T.; Puurveen, D. (2010-02-24)

Long-term tillage, straw, and N rate effects on quantity and quality of organic C and N in a Gray Luvisol soil

Malhi, S.S.; Nyborg, M.; Solberg, E.; DeMulder, J.; Zhang, Z.; Wang, Z.H.; Leach, D. (2004-02-19)

Long-term trends in heavy metal and metalloid levels in a Saskatchewan prairie soil

Poscher, E.; Schellenberg, M.P.; Cutforth, H.W. (2008-02-28)

Global heavy metal and metalloid pollution has increased during the last few decades accompanied by marked increases in global population and a rapid increase in metal production. Since the mid-1990s, higher-than-desired ...

Long-term use of urea vs. anhydrous ammonia for N fertilization of a Dark Brown loam: I. Soil acidification and nutrient availability

Bouman, O.T.; Campbell, C.A.; Biederbeck, V.O.; Ukrainetz, H.; Curtin, D. (1993-02-25)

The decline of indigenous soil fertility on the pra1r1es has necessitated higher nitrogen fertilizer inputs into cropping systems. Our objectives were to quantify the acidifying effects of urea and anhydrous ammonia nitrogen ...

Long-term use of urea vs. anhydrous ammonia for N-fertilization of a Dark Brown loam: III. Soil microbial populations and activities

Biederbeck, V.O.; Campbell, C.A.; Ukrainetz, H.; Bouman, O.T. (1993-02-25)

The influence of fertilizers on soil quality, including soil microbial well-being, has been frequently questioned by proponents of organic farming and Low Input Sustainable Agriculture (LISA). A 10-yr experiment, conducted ...