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Plant species diversity (PSD) regulates ecosystem structure and functions, and is a key issue we need to consider when design vegetation restoration p...

Extracts of the roots of Hyparrhenia filipéndula and other grasses were tested against soil enrichment cultures of NH₃-and NO₂ oxidizers, by measuring...

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....

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

Watkins & Rice (1974) concluded that the denuded area probably remained bare because of the high concentrations of cadmium and zinc combined with ...

Soils under improved pastures of Giant Rhodes grass, of Beckeropsis uniseta and of a Panicum species, heavily fertilized and stocked, and soils under ...

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...

Quantities of C and N in the microbial biomass of soils receiving long term applications of pig and cow slurries were compared, and changes in soil pH...

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...

The effects of heavy metals (Cu and Ni) on soil processes were studied experimentally in forest microcosms in Finland as a function of the presence of...