Full TGIF Record # 86553
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Web URL(s):https://dl.sciencesocieties.org/publications/aj/articles/95/3/697
    Last checked: 12/15/2016
    Access conditions: Item is within a limited-access website
Publication Type:
i
Refereed
Author(s):Johnson, P. G.; Koenig, R. T.; Kopp, K. L.
Author Affiliation:Department of Plants, Soils, and Biometeorology, Utah State University, Logan, Utah
Title:Nitrogen, Phosphorus, and Potassium responses and requirements in calcareous sand greens
Section:Fertilizer management
Other records with the "Fertilizer management" Section
Source:Agronomy Journal. Vol. 95, No. 3, May/June 2003, p. 697-702.
Publishing Information:Madison, WI: American Society of Agronomy
# of Pages:6
Keywords:TIC Keywords: Sand; Sand-based golf greens; Golf greens; Fertilization; Nitrogen fertilization; Potassium; Phosphorus; Agrostis stolonifera; Visual evaluation; Leaching
Abstract/Contents:"Calcareous sands are widely used in the construction of putting greens in the western USA. Plants growing on these sands frequently exhibit nutrient deficiencies and rapidly changing nutrient levels due to the low nutrient-holding capacity of this medium. Our objectives were to determine the effects of N, P, K, and N × K and P × K interactions on the growth of creeping grass (Agrostis stolonifera Huds.) in calcerous sand greens. Measurements included visual ratings of turfgrass quality, soil, and tissue nutrient levels, and golf ball roll distance. Creeping bentgrass plots receiving 5.5 kg P ha-1 yr-1 had lower quality than the remainder of the treatments (27.5-110 kg P ha-1 yr-1). Interactions between P and K were not observed. Ball roll was negatively correlated with the soil test P. According to linear plateau regression analysis, soil test P level was 3.0 mg kg-1 soil, and tissue test P was 0.4% for maximum quality. Nitrogen fertilizer treatments increased turfgrass quality with each successfully higher treatment. No N × K interactions were observed. No significant effect of K on turfgrass quality was observed; however, K rates increased soil test K, and tissue K showed a weak correlation (R2 = 0.13) with turfgrass quality. Potassium levels within the soil profile indicated leaching of K through the root zone. Altrernative K fertilization methods (foliar, increased frequency, and slow-release forms) may be needed to improve K nutrition of bentgrass growing on calcareous sands."
Language:English
References:17
See Also:Other items relating to: Potassium
Note:Tables
Graphs
ASA/CSSA/SSSA Citation (Crop Science-Like - may be incomplete):
Johnson, P. G., R. T. Koenig, and K. L. Kopp. 2003. Nitrogen, Phosphorus, and Potassium responses and requirements in calcareous sand greens. Agron. J. 95(3):p. 697-702.
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https://dl.sciencesocieties.org/publications/aj/articles/95/3/697
    Last checked: 12/15/2016
    Access conditions: Item is within a limited-access website
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