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Potassium supplying capacity of representative soils of South Western Nigeria as measured by intensity, quantity and capacity factors.

Laboratory and greenhouse studies were undertaken to determine the usefulness of K Quantity, Intensity and Capacity factors in evaluating K supply capacities and in predicting K uptake by maize in 14 representative soils of South Western Nigeria. The results showed that the activity ratio was a po...

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Main Authors: M. T., Adetunji, J. A., Adepetu
Format: Article
Language:English
Published: Universiti Putra Malaysia Press 1993
Online Access:http://psasir.upm.edu.my/id/eprint/3164/1/Potassium_Supplying_Capacity_of_Representative_Soils_of_South_Western.pdf
http://psasir.upm.edu.my/id/eprint/3164/
http://www.pertanika.upm.edu.my/Pertanika%20PAPERS/JTAS%20Vol.%2016%20(1)%20Apr.%201993/12%20JTAS%20Vol.16%20(1)%201993%20(Pg%2071-74).pdf
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spelling my.upm.eprints.31642015-09-01T07:53:14Z http://psasir.upm.edu.my/id/eprint/3164/ Potassium supplying capacity of representative soils of South Western Nigeria as measured by intensity, quantity and capacity factors. M. T., Adetunji J. A., Adepetu Laboratory and greenhouse studies were undertaken to determine the usefulness of K Quantity, Intensity and Capacity factors in evaluating K supply capacities and in predicting K uptake by maize in 14 representative soils of South Western Nigeria. The results showed that the activity ratio was a poor index of the available K and was incapable of correct prediction of K uptake during prolonged cropping. The potential Buffer Capacity was higher in the soils on basement complex than in soils derived from sedimentary origin, indicating that depletion of K on cropping will be faster in soils derived from sedimentary rocks than those on the basement complex. The results also showed that the 'fixed K' Quantity factor and the Potential Buffer Capacity could provide useful information in characterising the differential Buffer behaviour of soils. Universiti Putra Malaysia Press 1993 Article PeerReviewed application/pdf en http://psasir.upm.edu.my/id/eprint/3164/1/Potassium_Supplying_Capacity_of_Representative_Soils_of_South_Western.pdf M. T., Adetunji and J. A., Adepetu (1993) Potassium supplying capacity of representative soils of South Western Nigeria as measured by intensity, quantity and capacity factors. Pertanika Journal of Tropical Agricultural Science, 16 (1). pp. 71-74. ISSN 0126-6128 http://www.pertanika.upm.edu.my/Pertanika%20PAPERS/JTAS%20Vol.%2016%20(1)%20Apr.%201993/12%20JTAS%20Vol.16%20(1)%201993%20(Pg%2071-74).pdf
institution Universiti Putra Malaysia
building UPM Library
collection Institutional Repository
continent Asia
country Malaysia
content_provider Universiti Putra Malaysia
content_source UPM Institutional Repository
url_provider http://psasir.upm.edu.my/
language English
description Laboratory and greenhouse studies were undertaken to determine the usefulness of K Quantity, Intensity and Capacity factors in evaluating K supply capacities and in predicting K uptake by maize in 14 representative soils of South Western Nigeria. The results showed that the activity ratio was a poor index of the available K and was incapable of correct prediction of K uptake during prolonged cropping. The potential Buffer Capacity was higher in the soils on basement complex than in soils derived from sedimentary origin, indicating that depletion of K on cropping will be faster in soils derived from sedimentary rocks than those on the basement complex. The results also showed that the 'fixed K' Quantity factor and the Potential Buffer Capacity could provide useful information in characterising the differential Buffer behaviour of soils.
format Article
author M. T., Adetunji
J. A., Adepetu
spellingShingle M. T., Adetunji
J. A., Adepetu
Potassium supplying capacity of representative soils of South Western Nigeria as measured by intensity, quantity and capacity factors.
author_facet M. T., Adetunji
J. A., Adepetu
author_sort M. T., Adetunji
title Potassium supplying capacity of representative soils of South Western Nigeria as measured by intensity, quantity and capacity factors.
title_short Potassium supplying capacity of representative soils of South Western Nigeria as measured by intensity, quantity and capacity factors.
title_full Potassium supplying capacity of representative soils of South Western Nigeria as measured by intensity, quantity and capacity factors.
title_fullStr Potassium supplying capacity of representative soils of South Western Nigeria as measured by intensity, quantity and capacity factors.
title_full_unstemmed Potassium supplying capacity of representative soils of South Western Nigeria as measured by intensity, quantity and capacity factors.
title_sort potassium supplying capacity of representative soils of south western nigeria as measured by intensity, quantity and capacity factors.
publisher Universiti Putra Malaysia Press
publishDate 1993
url http://psasir.upm.edu.my/id/eprint/3164/1/Potassium_Supplying_Capacity_of_Representative_Soils_of_South_Western.pdf
http://psasir.upm.edu.my/id/eprint/3164/
http://www.pertanika.upm.edu.my/Pertanika%20PAPERS/JTAS%20Vol.%2016%20(1)%20Apr.%201993/12%20JTAS%20Vol.16%20(1)%201993%20(Pg%2071-74).pdf
_version_ 1643822532954947584
score 13.211869

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