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Planting Density for Grain Maize in South-east England

Published online by Cambridge University Press:  03 October 2008

G. M. Milbourn ,
G. E. D. Tiley  and
M. K. V. Carr
G. M. Milbourn
Affiliation:
Wye College Maize Unit, Wye College (University of London), Ashford, Kent
G. E. D. Tiley
Affiliation:
Wye College Maize Unit, Wye College (University of London), Ashford, Kent
M. K. V. Carr
Affiliation:
Wye College Maize Unit, Wye College (University of London), Ashford, Kent
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Summary

Grain maize in south-east England showed a markedly flat-topped curvilinear response between density and grain yield, maximum yields being obtained over a range of 80,000–120,000 plants/ha, but yields were reduced at less than 70,000 plants/ha. A general density recommendation of 80,000–90,000 plants/ha is suggested, or a seed rate of 95,000 seeds/ha to allow for germination losses. Yields of cv Anjou 210 and DeKalb 202 showed some decline when the density exceeded 100,000 plants/ha, whereas yields of Pioneer 131 increased above this value and 100,000 plants/ha can hence be recommended. Although planting above the optimum density markedly increased the incidence of stem lodging at harvest, only a minor delay in stage of maturity occurred.

Type
Research Article
Information
Experimental Agriculture , Volume 14 , Issue 3 , July 1978 , pp. 261 - 268
Copyright
Copyright © Cambridge University Press 1978

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References

REFERENCES

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Milbourn, G. M., Ed (1975). Maize Growers' Handbook. London: Home-Grown Cereals Authority.Google Scholar