Full TGIF Record # 83875
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Web URL(s):http://www.tandfonline.com/doi/pdf/10.1081/CSS-120014505
    Last checked: 10/15/2015
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Author(s):Sardi, K.; Csathó, P.
Author Affiliation:Sardi: Veszprém University, Georgikon Faculty, Keszthely, Hungary; and Csathó: Research Institute for Soil Science and Agricultural Chemistry, Budapest, Hungary
Title:Studies on the phosphorus dynamics in pot experiments with different soil types
Section:Poster papers
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Source:Communications in Soil Science and Plant Analysis. Vol. 33, No. 15-18, September/October 2002, p. 3045-3058.
# of Pages:14
Publishing Information:New York, NY: Marcel Dekker
Keywords:TIC Keywords: Fertilizers; Phosphorus; Soil pH; Soil texture; Organic matter; Fertilization; Lolium perenne; Physical properties of soil; Chemical properties of soil; Phosphorus fertilizers
Abstract/Contents:"Differences in soil properties and among plant species may play an important role in the effectiveness of residual and freshly applied phosphorus fertilizers. However, there are only a few experimental results on these questions. Pot experiments were carried out with soils selected from 9 sites of the National Long-Term Fertilization Trials thus posessing differences in pH, soil texture, organic matter content, and P status. Soil samples were taken after 20 years from the unfertilized control and from plots annually fertilized with 200 kgP2O5 ha-1. Perennial ryegrass (Lolium perenne L.) was used in the experiments. Amounts of P removed by plants during 5 cuts were correlated with DM production of plants as well as with the available phosphorus extracted at pH 3.7 by ammonium lactate to measure AL-P mg kg-1 soil (Egner-Riehm-Domingo 1960). In evaluating our results, it was observed that highly significant differences were found between DM production of plants in unfertilized control and increasing rates of P. Very good correlations were found between DM production of plants and amounts of P taken up by plants during the 5 cuts. Among soils, correlation coefficients ranged between 0.911 and 0.643. Similar tendencies were observed for the relationships between soil-P (AL-P mg. kg-1 soil) and plant removal (mg P per pot, i.e., mg P kg-1 of soil), r values ranged between 0.906 and 0.597. Differences in correlation were related to soil properties, mainly soil pH and texture. Residual value of long-term P fertilization has also influenced the effects of freshly applied P."
ASA/CSSA/SSSA Citation (Crop Science-Like - may be incomplete):
Sardi, K., and P. Csathó. 2002. Studies on the phosphorus dynamics in pot experiments with different soil types. Commun. Soil. Sci. Plant Anal. 33(15-18):p. 3045-3058.
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    Last checked: 10/15/2015
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