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The mean nitrate reductase activity (NRA) of leaf tissue, from various nitrogen environments, was four times greater in Sporobolus pyramidalis than in...

In studies in a 60- to 90-year-old stand on dry sandy soil in western Finland, Scots pine (Pinus sylvestris) trees that had been defoliated by the pin...

A sward of perennial ryegrass cv. S23 grown during 1979-81 was treated on 20 April with 130 kg N/ha as ammonium nitrate doubly labelled with ¹⁵N, foll...

Intensive agriculture often reduces biodiversity on farmed land, but the converse situation, of wildlife damaging agriculture, is also important. A st...

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 ...

Leaching of fertilizers into streams was studied in several forested catchments. In Braes of Angus Forest, fertilized catchments were compared with un...

Herbivores make decisions at different spatial levels in response to food plant quality and quantity. Although experiments have examined the responses...

Nutrient enrichment may adversely impact plant species richness in wetlands and enhance their susceptibility to colonization and dominance by invasive...

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...

Limited information exists on approaches to effectively revegetate severely disturbed, barren, subgrade (unconsolidated parent material) serpentine su...