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Intensive Forage Production in Northern Mexico. I. Responses Of Italian Ryegrass to Nitrogen and Irrigation

Published online by Cambridge University Press:  03 October 2008

N. Thomas  and
J. M. Farias
N. Thomas
Affiliation:
Centro de Investigaciones Agricolas del Norte, Apdo 247, Torreon, Coahuila, Mexico
J. M. Farias
Affiliation:
Centro de Investigaciones Agricolas del Norte, Apdo 247, Torreon, Coahuila, Mexico
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Summary

The response of Italian ryegrass (IRG) to nitrogen fertilization, irrigation frequency and harvest interval indicated that management of nitrogen and water is the determinant of productivity under semi-arid northern Mexican conditions. Where water is non-limiting the effects of harvest interval can be eliminated. A soil moisture balance model indicated the inadvisability of seeding IRG in sandy soils if water is a scarce resource because of the high frequency of irrigation that would be required. The seeding (September) and late production (April) periods were identified as critical in regard to irrigation need and limiting in terms of the area that it would be possible to seed.

Type
Research Article
Information
Experimental Agriculture , Volume 17 , Issue 3 , July 1981 , pp. 291 - 302
Copyright
Copyright © Cambridge University Press 1981

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References

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