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

Lavado, R.…

1999
Phytoaccumulation of trace elements by wetland plants II Water hyacinth

Zhu, Y. L…

1999
Ozone stimulates protonematal growth and gametophore production in Polytrichum commune

Petersen, R…

1999
Inventory of information sources on chemicals Persistent Organic Pollutants

UNEP,

 		1999
Oak forest development as a result of historical land-use patterns and present N deposition

Tyburk, K…

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

Hill, M.O…

1999
Ozone threshold doses and exposure response relationships for the development of ozone injury symptoms in wild plant species.

Bergmann, E…

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

Reimer, P.…

1999