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Effect of Liming on the Soil Test Level of Phosphorous as Determined By Three Methods
Author(s) -
Griffin G. F.
Publication year - 1971
Publication title -
soil science society of america journal
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.836
H-Index - 168
eISSN - 1435-0661
pISSN - 0361-5995
DOI - 10.2136/sssaj1971.03615995003500040019x
Subject(s) - soil water , soil test , chemistry , environmental chemistry , soil science , mineralogy , environmental science , zoology , biology
Changes in extractable P resulting from additions of Ca(OH) 2 to samples of 13 acid Connecticut soils varied with soil type and soil extractant. The average pH increase from 5.3 to 7.7 resulted in the following average changes in extractable P: modified Morgan, +123%; North Carolina, +27%; Bray no. 1, −23%. Changes in Bray no. 1 extractable P were affected less by soil differences than changes in P extracted by the other two methods.