Full TGIF Record # 71143
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Web URL(s):http://www.tandfonline.com/doi/pdf/10.1080/01904169709365337
    Last checked: 10/13/2015
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Publication Type:
i
Report
Author(s):Wilkinson, S. R.; Mayland, H. F.
Author Affiliation:Wilkinson: Southern Piedmont Conservation Research Center, USDA, ARS, Watkinsville, GA; and Mayland: Northwest Irrigation and Soils Research Laboratory, USDA, ARS, Kimberly, ID
Title:Yield and mineral concentration of HiMag compared to other tall fescue cultivars grown in the Southern Piedmont
Source:Journal of Plant Nutrition. Vol. 20, No. 10, 1997, p. 1317-1331.
# of Pages:15
Publishing Information:New York: Marcel Dekker, Inc.
Keywords:TIC Keywords: Festuca arundinacea; Nutritional requirements; Cultivar evaluation; Calcium; Magnesium; Potassium; Phosphorus; Endophytes; Forage; Erosion; Erosion control; Choice of cultivar; Minerals; Fertilization; Dry weight; Seedbed preparation; Precipitation; Temperatures; Environmental factors; Soil pH; Soil fertility; Tillers (vegetative); Seasonal variation; Chemical composition
Cultivar Names:HiMag; Kentucky 31; Mo I; Mo II; AU Triumph
Abstract/Contents:"HiMag is an experimental cultivar derived from Missouri 96 (Mo96) and Kentucky 31 (K31) tall fescue (Festuca arundinacea Schreb.) parentage for increased calcium (Ca), magnesium (Mg), and reduced potassium (K)/(Ca+Mg). Our objective was to determine productivity and mineral characteristics of endophyte-free (E-) HiMag in relation to standard tall fescue cultivars when grown in the Southern Piedmont Land Resource Area. In experiment 1, HiMag (E-) and K31 (E-) were grown at two levels of phosphorus (P), K, and lime additions to both severely eroded, and noneroded Cecil soil (clayey, kaolinitic, thermic family of Typic Hapludults). Herbage Ca and Mg were greater and K/(Ca+Mg) and yield were less for HiMag than for K31. Phosphorus and K concentrations were not different. Herbage yields, P, Ca, and Mg concentrations were increased by P, K, and lime additions. In experiment 2, HiMag(E-), K31(E-), endophyte-infected K31(E+), Mo I(E+), Mo II(E+), and AU Triumph (E-) were planted either in a prepared seedbed or planted without tillage into the Cecil soil. HiMag yields were not different from Mo-I, Mo-II, or K31(E± ), but were less than those of AU Triumph (E-). HiMag yield response to no-till planting, past soil erosion, and fertilizer level was similar to that of K31 (E± ). Fertilizer level, and soil condition affected the magnitude of differences in mineral levels in HiMag and K31 (E± ), but K/(Ca+Mg) values were more favorable in HiMag. All tall fescue cultivars established equally well in no-till or prepared seedbeds. Aside from a slightly lower first harvest yield there were no important effects of planting no-till versus planting in a prepared seedbed. HiMag's agronomic attributes, while not superior to other cultivars, were sufficient to justify further testing to improve Mg nutrition of grazing animals.
Language:English
References:14
Note:Tables
Graphs
ASA/CSSA/SSSA Citation (Crop Science-Like - may be incomplete):
Wilkinson, S. R., and H. F. Mayland. 1997. Yield and mineral concentration of HiMag compared to other tall fescue cultivars grown in the Southern Piedmont. J. Plant Nutr. 20(10):p. 1317-1331.
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http://www.tandfonline.com/doi/pdf/10.1080/01904169709365337
    Last checked: 10/13/2015
    Requires: PDF Reader
    Access conditions: Item is within a limited-access website
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