Full TGIF Record # 7908
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Web URL(s):https://dl.sciencesocieties.org/publications/aj/pdfs/78/2/AJ0780020258
    Last checked: 12/09/2016
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Publication Type:
i
Refereed
Author(s):Karnok, Keith J.
Author Affiliation:University of Georgia, Athens, GA
Title:The segregation of homogeneous and blended granular fertilizers from a rotary spreader
Source:Agronomy Journal. Vol. 78, No. 2, March/April 1986, p. 258-260.
Publishing Information:Washington: American Society of Agronomy
# of Pages:3
Keywords:TIC Keywords: Fertilizer spreaders; Fertilization; Granular fertilizers; Fertilizers; Particle size; Fertilizer spreader pattern
Abstract/Contents:"In recent years there has been much discussion regarding the use of homogeneous granular fertilizers vs. blended granular fertilizers on turfgrass. The common thought being that homogeneous fertilizers will provide a more uniform coverage when delivered from a rotary spread than blended fertilizers. The objective of this study was to determine the relative particle dispersion of seven commonly used turfgrass fertilizers delivered from a rotary spreader. Seven complete fertilizer materials were tested: three homogeneous and four blended. The test procedure involved the spreading of fertilizer over a series of specially designed collection trays. A chemical and physical analysis was conducted on the material collected from each tray. Considering all fertilizers tested, there was relatively uniform dispersion of particles in the 1-mm or greater size range. Particle sizes smaller than 1-mm showed less uniform distribution across the effective spread pattern. For all fertilizers, P showed the greatest CV (5.0) along the spreader swath, followed by K (4.0) and N (1.6). The lowest overall CV (N, P, K combined) was exhibited by a homogeneous fertilizer (1.2), but was closely followed by a blended fertilizer (CV 1.6). Fertilizers having a small particle size range had the lowest overall CV. This study showed that when considering uniformity of fertilizer dispersion from a rotary spreader, a uniform particle size is more important than whether the fertilizer is homogeneous or physically blended."
Language:English
References:12
Note:Tables
Figures
ASA/CSSA/SSSA Citation (Crop Science-Like - may be incomplete):
Karnok, K. J. 1986. The segregation of homogeneous and blended granular fertilizers from a rotary spreader. Agron. J. 78(2):p. 258-260.
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Web URL(s):
https://dl.sciencesocieties.org/publications/aj/pdfs/78/2/AJ0780020258
    Last checked: 12/09/2016
    Requires: PDF Reader
    Access conditions: Item is within a limited-access website
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MSU catalog number: S 22 .A45
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