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

Lavado, R.…

1999
Inventory of information sources on chemicals Persistent Organic Pollutants

UNEP,

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

UNECE, .…

1999
Tolerance of tropical common bean genotypes to manganese toxicity: performance under different growing conditions

González, A…

1999
Cronartium flaccidum fruitbody production on Melampyrum spp and some important alternate hosts to pine.

Kaitera, J…

1999
Action for Scotland's Biodiversity

Usher, (Eds…

1999
Atmospheric deposition of acidifying and eutrophicating substances in dune slacks.

Sival, F.P…

1999
Some effects of N on ectomycorrhizal diversity of Scots pine (Pinus sylvestris L.) in northeastern Germany.

Wöllecke, J…

1999
The effect of increased deposition of atmospheric N on Cv in upland Britain.

Carroll, J.…

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

Sakadevan,…

1999