Title Authors Year
Concentration and distribution of extractable elements in a soil affected by tillage systems and fertilization

Lavado, R.…

1999
The effects of quantity and duration of simulated pollutant nitrogen deposition on root-surface phosphatase activities in Calcareous and acid grasslands: a bioassay approach

Johnson, D…

1999
Protocol to abate acidification, eutrophication and ground-level ozone.

UNECE, .…

1999
Impact of heavy metals on denitrification in surface wetland sediments receiving wastewater

Sakadevan,…

1999
Effect of vanadium on the growth of soybean seedlings

Wang, J ;…

1999
Ellenberg's indicator values for British plants: ECOFACT volume 2 technical annex.

Hill, M.O…

1999
Environmental effects of manganese and proposed freshwater guidelines to protect aquatic life in British Columbia

Reimer, P.…

1999
Action for Scotland's Biodiversity

Usher, (Eds…

1999
The fate of mineral nitrogen in a fen with Sphagnum fallax Klinggr. and Carex rostrata Stokes (Massif-central, France)

Francez, A.…

1999
Indicators of climate change in the UK

Cannell, M.…

1999