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Influence of Liming and Soil pH on Cassava (manihot esculenta) in Tropical Oligotrophic Peat

Published online by Cambridge University Press:  03 October 2008

W. Y. Chew ,
K. T. Joseph ,
K. Ramli  and
A. B. A. Majid
W. Y. Chew
Affiliation:
Malaysian Agricultural Research and Development Institute (MARDI), Jalan Kebun, Kelang, Selangor, Malaysia
K. T. Joseph
Affiliation:
Malaysian Agricultural Research and Development Institute (MARDI), Jalan Kebun, Kelang, Selangor, Malaysia
K. Ramli
Affiliation:
Malaysian Agricultural Research and Development Institute (MARDI), Jalan Kebun, Kelang, Selangor, Malaysia
A. B. A. Majid
Affiliation:
Malaysian Agricultural Research and Development Institute (MARDI), Jalan Kebun, Kelang, Selangor, Malaysia
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Summary

In three field experiments studying the liming needs of cassava on peat, optimum tuber DM was obtained at pH 3.8 and optimum top DM at pH 4.2; liming to higher pH values decreased tuber DM while maintaining top DM. Consequently, the Harvest Index decreased over the whole range of soil pH studied (3.49–5.50). Increases in tuber DM per hectare with liming, and with an increasing growth period, were associated with mean tuber weight (r = 0.86) and with Harvest Index (r = 0.65) rather than with tuber number (r = 0.37).

Type
Research Article
Information
Experimental Agriculture , Volume 17 , Issue 2 , April 1981 , pp. 171 - 178
Copyright
Copyright © Cambridge University Press 1981

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References

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