| ground beetle (coleoptera: carabidae) diversity, activity density, and community structure in a diversified agroecosystem. | diversity and abundance of ground beetles (coleoptera: carabidae) can be enhanced in vegetable and field intercropping systems, but the complexity of polycultures precludes the application of generalized assumptions of effects for novel intercropping combinations. in a field experiment conducted at lacombe and ellerslie, alberta, canada, in 2005 and 2006, we investigated the effects of intercropping canola (brassica napus l.) with wheat (triticum aestivum l.) on the diversity and community struc ... | 2012 | 22525061 |
| trace elements in western canadian hard red spring wheat (triticum aestivum l.): levels and quality assurance. | a monitoring program was conducted for trace elements in western canadian hard red spring wheat (triticum aestivum l.). samples were selected from harvest survey samples submitted by producers from crop districts in manitoba, saskatchewan, and alberta for 1996, 1997, and 1998 crops. the analytical quality control measures used in these surveys are described along with the results for cd, cu, fe, mn, se, and zn. accuracy and precision for the analyses fell within the acceptable control limits. ye ... | 2008 | 11767168 |