Agronomy Journal Journal of Natural Resources and Life Sciences Education
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Nutrient Considerations for Diversified Cropping Systems in the Northern Great Plains

Cynthia A. Grant*,a, Gary A. Petersonb and Constantine A. Campbellc

a Agriculture and Agri-Food Canada, Brandon, MB, Canada R7A 5V3
b Colorado State Univ., Fort Collins, CO 80523-1170
c Agriculture and Agri-Food Canada, ECORC, Ottawa, ON, Canada K1A 0C6



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Fig. 1. Fertilizer N requirement for wheat in continuous spring wheat (W) and wheat–lentil (W–L) cropping systems at Swift Current, SK, Canada (Zentner et al., 2000).

 


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Fig. 2. A contrast of the quantity of NO3 present in soils under a continuous spring wheat system and a wheat–lentil system (Reynolds et al., 1995).

 





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