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NW Washington | There have been some studies done in your neck of the woods on the amounts of fertilizer that can safely be put with the seed using various openers. Here is a link to one of them. http://www1.agric.gov.ab.ca/$department/deptdocs.nsf/all/eng3142
In colder areas and places where moisture is often one of the main yield limiting factors that row spaces matters all that much, if kept reasonable. And thing much over a foot would give me some concern. Wide row are also harder to combine, and they don't provide good support pulse crops like lentils and peas.
In fertilizer placement trials on winter wheat in northern Idaho we never had any significant positive effects related to where the fertilizer was placed with respect to the seed row. That is until you got too much salt in the row and started to reduce germ. rates. | |
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Winter wheat row question?
