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
Methane release from peat soils: effects of Sphagnum and Juncus.

Roura-Carol…

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

Hill, M.O…

1999
Effect of vanadium on the growth of soybean seedlings

Wang, J ;…

1999
Nitrogen and its effects on growth, nutrient status and parasite attacks in beech and Norway Spruce

Flückiger,…

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

Reimer, P.…

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

Sival, F.P…

1999
Distribution in Portugal of some pollutants in the lichen Parmelia sulcata

Freitas, M…

1999
Phytoaccumulation of trace elements by wetland plants II Water hyacinth

Zhu, Y. L…

1999