Biodiversity Heritage Library
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Subject "Nitrogen content"
Determinations of nitrogen in the soils of some of the experimental fields at Rothamsted and the bearing of the results on the question of the sources of the nitrogen of our crops / by Sir John Bennet Lawes and Joseph Henry Gilbert.
By: Lawes, J. B. - Gilbert, J. H. - American Association for the Advancement of Science.
Publication info: London :Harrison,1883.
Contributed by: Canadiana.org (archive.org)
Subjects: Experimentation Nitrogen Nitrogen content Soils
Efficient use of nitrogen on crop land in the Northeast /
By: Barker, Allen V.,
Publication info: New Haven :Connecticut Agricultural Experiment Station,1980.
Contributed by: University of Connecticut Libraries (archive.org)
Subjects: Effect of nitrogen on Nitrogen content Northeastern States Plants Soils
The importance of runoff and winter anoxia to P and N dynamics of a beaver pond / report prepared by Kevin J. Devito and Peter J. Dillon.
By: Devito, Kevin John, - Dillon, P. J. - Ontario.
Publication info: [Toronto] :Queen's Printer for Ontario,1992.
Contributed by: Ontario Ministry of the Environment (archive.org)
Subjects: Environment aspects Lake ecology Nitrogen Nitrogen content Ontario Phosphorus Phosphorus content Stream ecology Water