The relationship between Bray's P1, modified NaHCO3, New Mehlich and NH4F. HF extractants for P in savannah soils of western Nigeria

Author:

Ayodele Olufemi,Agboola Akinola

Publisher

Springer Science and Business Media LLC

Subject

General Earth and Planetary Sciences,Soil Science,General Environmental Science,Agronomy and Crop Science,Soil Science,Agronomy and Crop Science

Reference18 articles.

1. Agboola AA (1973) Correlation of soil tests for available P with maize in soils derived from metamorphic and igneous rocks of Western State of Nigeria. West Afr J Biol Appl Chem 16, 14?23

2. Agboola AA and Corey RB (1972) Soil test correlation for N.P.K. for maize in the soils derived from metamorphic and igneous rocks of Western State of Nigeria. J West Afr Sci Ass 17, 93?100

3. Agboola AA and Oko BFD (1976) Comparison of the Bray's P1 extractant with ammonium hydrogen bifluoride on typical soils of the Western Nigeria. West Afr Sci J 21 (In press)

4. Bouyoucos GH (1951) A recalibration of the hydrometer method for making mechanical analysis of soils. Agron J 43, 434?438

5. Bray RH and Kurtz LT (1945) Determination of total, organic and available forms of P in soils. Soil Sci 59, 39?45

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