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Influence of Lime and Macronutrients on Flue-cured Tobacco in Malaysian Tropical Peat

Published online by Cambridge University Press:  03 October 2008

W. Y. Chew ,
K. T. Joseph ,
M. A. Adam  and
K. Ramli
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
M. A. Adam
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
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Summary

On unlimed Malaysian peat (pH 3.5), flue-cured tobacco produced negligible leaf yields and showed no response to urea. Liming up to pH 5.25 (32 t/ha lime) linearly increased leaf yield. Tobacco responded linearly without reduced leaf quality to 90 k/ha N at pH 4.01 (8 t/ha lime), but to 45 kg/ha N at pH 4.40–5.25 (16–32 t/ha lime), higher N rates at the respective liming levels producing leaves of lower quality. The optimum rates of P and K for flue-cured tobacco appeared to be 26 and 186 kg/ha respectively, with linear responses up to those rates.

Type
Research Article
Information
Experimental Agriculture , Volume 16 , Issue 2 , April 1980 , pp. 169 - 173
Copyright
Copyright © Cambridge University Press 1980

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References

REFERENCES

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