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Nutrient cycles involving phosphorus and potassium on livestock farms in Northern Ireland

Published online by Cambridge University Press:  27 March 2009

S. N. Adams  and
J. S. V. McAllister
S. N. Adams
Affiliation:
Agricultural and Food Chemistry Department, Queen's University of Belfast and Department of Agriculture, Northern Ireland
J. S. V. McAllister
Affiliation:
Agricultural and Food Chemistry Department, Queen's University of Belfast and Department of Agriculture, Northern Ireland
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Summary

A method is described of determining the fertilizer P and K requirements of livestock farms from a knowledge of the stock carried and the crops grown on the farm as a whole. Recycling of P and K through organic manures is put on a rational basis and the fertilizer P and K needed to keep soil P and K at an adequate and constant level is easily measured.

A pilot scheme on 100 Northern Ireland farms is testing the method's value for giving advice. It is readily acceptable to advisers and farmers and is enabling substantial savings of fertilizers to be made.

Type
Research Article
Information
The Journal of Agricultural Science , Volume 85 , Issue 2 , October 1975 , pp. 345 - 349
Copyright
Copyright © Cambridge University Press 1975

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References

REFERENCES

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