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Long-term weed dynamics and crop yields under organic and conventional cropping systems in the Canadian prairies

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Academic year: 2021

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Figure 2.1. The relationship among four types of species pools and the processes that determine the membership within each species pools
Figure 3.1. Aerial view of the long-term alternative cropping systems study (Photograph provided by Stu Brandt)
Figure 3.2. Crop growing season (April-September) rainfall (A) and maximum temperature (B)
Figure 3.3. Mean residual weed densities (averaged across 18 years) affected by input (A) and rotation (B) assessed in ACS at Scott
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Outline

Cropping systems in the Canadian prairies Soil fertility management in organic systems Principal response curves in plant community analysis Introduction Location and the experimental design Changes in species composition over time Discussion Conclusions DOES APPLICATION OF FERTILIZERS TO ORGANICALLY MANAGED SOILS The Greenhouse study

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