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| Web URL(s): | https://scisoc.confex.com/scisoc/2021am/meetingapp.cgi/Paper/139139
Last checked: 04/04/2022
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| Publication Type:
| Report |
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| Content Type: | Abstract or Summary only |
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| Author(s): | Schlossberg, Maxim J. |
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| Author Affiliation: | Pennsylvania State University, University Park, PA |
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| Title: | An approachable and effective method of rotary spreader calibration |
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| Section: | Virtual session--turfgrass science oral
Other records with the "Virtual session--turfgrass science oral" Section
C05 turfgrass science
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| Meeting Info.: | Salt Lake City, Utah: November 7-10, 2021 |
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| Source: | ASA, CSSA and SSSA International Annual Meetings. 2021, p. 139139. |
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| Publishing Information: | [Madison, Wisconsin]: [American Society of Agronomy, Crop Science Society of America, and Soil Science Society of America] |
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| # of Pages: | 1 |
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| Abstract/Contents: | "Determining an optimal fertilizer rate is challenging, yet uniform application of an exact mass fertilizer, liming agent, or amendment over a target area is where the proverbial rubber hits the road. Granular formulations span a type, size, and nutrient release/availability array, and are popular for those reasons. Rotary/centrifugal spreaders are one option for application of granules to turfgrass. Simple methods of effective spreader calibration are more likely to be adopted than the alternative. Some methods for rotary spreader calibration discourage overlap, while others encourage 100% overlap. Methods falling in between often require employ of pans for granule collection and detailed and iterative analysis of rotary spreader product distribution across the treatment swath. While the foremost objective of the latter may be to identify and correct bilateral asymmetry, it is essential to calculation of the distance to be maintained between pass centers; i.e., effective swath width. Yet, it remains arguably uncertain whether this procedure sparks genuine adoption by laypeople and/or uniform granule distribution by experienced professionals. Given narrow spreader gate openings support more symmetric and uniform distribution of granules across the distribution swath width than wider spreader gate openings, prescribing unnecessary equipment and effort toward maximizing the 'distance maintained between passes' poses an avoidable non sequitur. Both published data and Occam's Razor support the author's suggestion that rotary spreader calibration begin by simply measuring the distribution swath width of product from the rotary spreader, followed by commitment to maintaining one-half that distance between subsequent pass centers. Likewise, the author recommends engaging calibration calculations with the intent to apply one-half the desired, or ultimate, application rate. The final recommendation is to make twice the otherwise necessary number of passes over the treatment area, in perpendicular orientation. This approach is more streamline, accurate, and approachable than recommendations currently featured in extension/outreach literature." |
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| Language: | English |
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| References: | 0 |
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| Note: | This item is an abstract only!
Includes video, "An approachable and effective method of rotary spreader calibration", 14:42 |
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| ASA/CSSA/SSSA Citation (Crop Science-Like - may be incomplete):
Schlossberg, M. J. 2021. An approachable and effective method of rotary spreader calibration. Agron. Abr. p. 139139. |
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Last checked: 04/04/2022
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