Full TGIF Record # 175323
Item 1 of 1
DOI:10.1080/00103624.2011.528491
Web URL(s):http://www.informaworld.com/smpp/section?content=a931105862&fulltext=713240928
    Last checked: 02/04/2011
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Publication Type:
i
Report
Author(s):Guo, H. C.; Zhang, Q. C.; Wang, G. H.; Chien, S. H.
Author Affiliation:Guo: Rubber Research Institute, Chinese Academy of Tropical Agricultural Sciences, Danzhou, China; Guo, Zhang and Wang: Department of Resources Science, College of Environmental and Resources Sciences, Zhejiang University, Hangzhou; Chien: International Fertilizer Development Center (IFDC), Muscle Shoals, Alabama, USA
Title:Phosphorus fractions of soils treated with phosphate rock and monocalcium phosphate after ryegrass growth
Source:Communications in Soil Science and Plant Analysis. Vol. 42, No. 1, 2011, p. 93-99.
# of Pages:7
Publishing Information:New York, NY: Marcel Dekker
Related Web URL:http://www.informaworld.com/smpp/content~db=all~content=a931105862~frm=titlelink
    Last checked: 02/04/2011
    Notes: Abstract Only
Keywords:TIC Keywords: Acidic soils; Dry weight; Fractionation; Growth analysis; Lolium; MCP; Phosphorus fertilizers; Phosphorus recovery
Abstract/Contents:"A pot experiment was conducted in two acidic soils (pH 4.8) with similar properties except for phosphorus (P) status to investigate the influence of different P fertilizers [Kunyang phosphate rock (KPR), monocalcium phosphate (MCP)] on ryegrass growth and different soil P fractions in the two soils. The P treatments were KPR at 50, 100, and 250 mg P kg-1 and MCP at 50 mg P kg-1. Results showed that the application of P fertilizers produced significant increase of ryegrass growth compared with no P application on soil with low P status. Dry weight of ryegrass did not increase after P application, compared with no P application on soil with high P status. Through P fractionation as modified method of Hedley, Stewart, and Chauhan (1982), inorganic resin P, sodium bicarbonate (NaHCO3) P, and sodium hydroxide (NaOH) P increased after MCP treatment compared with no P application. The PR application only increased resin P and hydrochloric acid (HCl) P. Soil organic P fractions were stable and less affected by P application. The average of KPR P dissolved in the two soils across all P rates was low: only about 19% of the averaged amount of KPR P applied, which was due to its low reactivity. This explains the poor agronomic effectiveness of KPR with respect to MCP."
Language:English
References:24
Note:Tables
Graphs
ASA/CSSA/SSSA Citation (Crop Science-Like - may be incomplete):
Guo, H. C., Q. C. Zhang, G. H. Wang, and S. H. Chien. 2011. Phosphorus fractions of soils treated with phosphate rock and monocalcium phosphate after ryegrass growth. Commun. Soil. Sci. Plant Anal. 42(1):p. 93-99.
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DOI: 10.1080/00103624.2011.528491
Web URL(s):
http://www.informaworld.com/smpp/section?content=a931105862&fulltext=713240928
    Last checked: 02/04/2011
    Access conditions: Item is within a limited-access website
http://www.informaworld.com/smpp/ftinterface~content=a931105862~fulltext=713240930~frm=section
    Last checked: 02/04/2011
    Requires: PDF Reader
    Access conditions: Item is within a limited-access website
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