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Foliar Diagnosis of Nutrient Deficiencies in Mauritius Sugar Cane I. Changes in Optimum Leaf Nitrogen with Ecological Conditions

Published online by Cambridge University Press:  03 October 2008

P. Nababsing  and
P. Halais
P. Nababsing
Affiliation:
Mauritius Sugar Industry Research Institute, Réduit, Mauritius
P. Halais
Affiliation:
Mauritius Sugar Industry Research Institute, Réduit, Mauritius
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Summary

The response of six cane varieties to nitrogen fertilization (0, 70 and 140 kg. N/ha.) has been studied. Results of three ratoon crops from 23 trials on representative sites throughout Mauritius indicate that optimum fertilization is around 70 kg. N/ha. Three levels for optimum nitrogen in the third leaf blade have been established, namely 1·93, 2·05 and 2·22 per cent corresponding roughly to the sub-humid, humid and super-humid areas of Mauritius.

Type
Research Article
Information
Experimental Agriculture , Volume 10 , Issue 3 , July 1974 , pp. 161 - 167
Copyright
Copyright © Cambridge University Press 1974

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References

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