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Uptake of Sulphur and other Nutrients by Groundnuts (Arachis hypogaea) in Northern Nigeria

Published online by Cambridge University Press:  03 October 2008

A. R. Bromfield
Affiliation:
Institute for Agricultural Research, Samaru, P.M.B. 1044, Zaria, Nigeria

Summary

The uptake of S followed a similar pattern to dry-matter production by groundnuts given enough fertilizer-S to prevent S-deficiency. The fastest rate at which dry matter was produced was 140 kg./ha./day. Of the 6857 kg./ha. at harvest, 3401 were in haulm, 967 in shells and 2489 in kernels. S was taken up fastest during the eighth week, when the daily average was 0·22 kg./ha.; at harvest, of the 11·6 kg./ha. in the plants, 5·4 was in the haulm, 0·8 in shells and 5·4 in the kernels. Of the 157 kg. N/ha. in the harvested crop 62 per cent was in shells and kernels and of the 13·5 kg. P/ha., 64 per cent was in shells and kernels.

Type
Research Article
Copyright
Copyright © Cambridge University Press 1973

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References

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