Full TGIF Record # 650
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Web URL(s):http://www.newss.org/proceedings/proceedings_1979_vol33.pdf#page=276
    Last checked: 07/25/2013
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Publication Type:
i
Report
Author(s):Turner, T. R.; Waddington, D. V.; Watschke, T. L.
Title:The effect of soil fertility levels on dandelion and crabgrass encroachment of Merion Kentucky bluegrass
Source:Proceedings of the Annual Meeting of the Northeastern Weed Science Society. Vol. 33, 1979, p. 280-286.
Publishing Information:Ithaca, NY: Northeastern Weed Science Society
Keywords:TIC Keywords: Limestone; Potassium; Phosphorus
Abstract/Contents:Little information is presently available on the relationships among weed encroachment into turfgrass, soil fertility levels, and limestone, P, and K applications. A field study was conducted on Hagerstown clay loam (fine, mixed, mesic typic Hapludalf) to determine the effects of limestone applications (0 and 54 kg/100 m2), P applications (0, 0.85, 1.7, 3.4, and 6.8 kg P/100 m2), and K applications (0, 1.45, 2.9, and 5.8 kg K/100 m2) on soil nutrient levels and on the performance of Merion Kentucky bluegrass turf. Spring greening, clipping yield, tiller density, and encroachment of dandelion and crabgrass into the turf were used to assess performance. Limestone applications decreased soil acidity 0.8 pH unit and increased Ca 2.0 meq/100 g soil over unlimed plots. Available soil P and K ranged from 6 to 76 ppm and from 0.08 to 0.16 meq/100 g soil, respectively. Spring greening (April 13, 1975) was greatest at the three highest P rates, while no greening had occurred at the 0 P rate. Clipping yields were greater for unlimed turf, and tended to increase with increasing P and K rates. Tiller density tended to increase with K rates. Crabgrass encroachment was significantly affected by P application, with a greater amount of crabgrass in 0 P plots than in turf fertilized at the higher rates. Dandelion encroachment was greater in the turf receiving limestone applications and tended to decrease with increasing P rates. Encroachment appeared to be related to competition rather than the nutritional requirements of the weeds since encroachment tended to decrease as the turfgrass clipping yields increased.
Language:English
References:0
ASA/CSSA/SSSA Citation (Crop Science-Like - may be incomplete):
Turner, T. R., D. V. Waddington, and T. L. Watschke. 1979. The effect of soil fertility levels on dandelion and crabgrass encroachment of Merion Kentucky bluegrass. Proc. Annu. Meet. Northeast. Weed Sci. Soc. 33:p. 280-286.
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http://www.newss.org/proceedings/proceedings_1979_vol33.pdf#page=276
    Last checked: 07/25/2013
    Requires: PDF Reader
    Notes: Item is within a single large file
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