The top documents tagged [row spacing sunflower]

2009 National Sunflower Association Survey Project Leader: Dr. Duane Berglund, Retired NDSU Extension Agronomist and Professor Emeritus- Crop Science.

2009 National Sunflower Association Survey Project Leader: Dr. Duane Berglund, Retired NDSU Extension Agronomist and Professor Emeritus- Crop Science.

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2009 National Sunflower Association Survey

2009 National Sunflower Association Survey

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