All content is free for everyone to browse, download and share.
Tips for how to search on AER: type keywords into the search box or use the filtering options below to find the content relevant for you – including peer-reviewed journal articles and non-peer reviewed grey literature.
Member contents are currently categorised as ‘Miscellaneous’ while we work on an update.
Showing 29 results
The results of the first 4 years of an experiment which has involved frequent applications of ammonium sulfate within a 1-km2 tract of nitrogen-poor d...Read more
In view of the use of salt marshes along the southern shores of Hudson Bay as breeding grounds and feeding areas by lesser snow geese and Canada geese...Read more
Nitrate, ammonium, and phosphate were added to the forest floor of an alluvial swamp at a weekly rate of 1 g of nitrogen or phosphorus per m2 for near...Read more
A comparative study was carried out on nitrogen flows in two meadow ecosystems that were similar at the beginning of the experiment. In the wet meadow...Read more
Applications of ammonium nitrate (NH4NO3) to cores of Sphagnum magellanicumin situ at 2-week intervals for 20 weeks from mid-June at a raised mire in ...Read more
The role of N in limiting herbage production was assessed in an altitudinal sequence of Agrostis-Festuca grasslands in the Moor House National Nature ...Read more
Climax perennial grasses from Rhodesia showed greater preference than earlier seral species or crop cultivars for the ammonium source of nitrogen. It ...Read more
Watkins & Rice (1974) concluded that the denuded area probably remained bare because of the high concentrations of cadmium and zinc combined with ...Read more
Mineral nitrogen concentrations were greater in acid spoils (pH<5) than in limed or neutral spoils. In acid spoils, the predominant form was NH4-N....Read more