Effect of nitrogen application on grain yield and water use efficiency of winter wheat under zero tillage and spring wheat under zero and conventional tillage, in Manitoba
Peer Reviewed StatusNon-Peer Reviewed
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Five site-years of data collected from the Carberry and Manitou areas of Manitoba from 1985 to 1987 indicated that increased rates of N application increased grain yield, protein content of the grain and water use efficiency (based on grain yield) of winter wheat under zero tillage, spring wheat under zero tillage and spring wheat under conventional tillage. Although the response to N application varied between wheat-tillage regimes within and between individual site-years, spring wheat under zero tillage slightly out-yielded spring wheat under conventional tillage and winter wheat under zero tillage when data for the site-years was combined. Conversely, water use efficiency was highest for winter wheat under zero tillage and lowest for spring wheat under conventional tillage. Protein content of the grain was the same for the spring wheats but substantially lower for winter wheat.
Part OfSoils and Crops Workshop
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