Exponential nutrient loading: a new fertilization technique to improve seedling performance on competitive sites

VR Timmer - New Forests, 1997 - Springer
Reforestation efforts in Ontario have become increasingly more reliant on containerized
planting stock since these seedlings are less costly to produce and plant than bare-root …

[图书][B] Ecophysiology of northern spruce species: the performance of planted seedlings

SC Grossnickle - 2000 - books.google.com
This manual offers foresters information to help them understand the performance of spruce
seedlings after being planted on a reforestation site. It was written for university students …

[PDF][PDF] Empirical nitrogen critical loads for natural and semi-natural ecosystems: 2002 update

R Bobbink, M Ashmore, S Braun… - … critical loads for …, 2003 - researchgate.net
The emissions of ammonia (NH3) and nitrogen oxides (NOx) have strongly increased in
Europe in the second half of the 20th century. Ammonia is volatilized from intensive …

Trends and geographic variation in adverse impacts of nitrogen use in Europe on human health, climate, and ecosystems: A review

W de Vries, M Posch, D Simpson, FAAM de Leeuw… - Earth-Science …, 2024 - Elsevier
This paper presents a review of the trends and geographic variation of impacts of reactive
nitrogen (N) inputs on in Europe through impacts on air, soil and water quality. It illustrates …

Cold acclimation and deacclimation of shoots and roots of conifer seedlings

FJ Bigras, A Ryyppö, A Lindström, E Stattin - Conifer cold hardiness, 2001 - Springer
Conifers that are adapted to grow in regions where marked annual temperature changes are
observed have developed physiological mechanisms that enable them to alternate their …

Air pollution and forest ecosystems: a regional to global perspective

GE Taylor, DW Johnson… - Ecological Applications, 1994 - Wiley Online Library
Changes in the atmospheric concentrations of a number of air pollutants over the last
century are hallmarks of the magnitude and extent of human impact on the environment …

Effects of ammonia deposition on forests in the Netherlands

L Van Der Eerden, W De Vries, H Van Dobben - Atmospheric Environment, 1998 - Elsevier
With 40kgNha-1yr-1 the Netherlands is the country with the highest nitrogen deposition in
Europe. Approximately 2/3 of the nitrogen deposition is from NHx. Considering defoliation …

Effects of chronic N fertilization on foliar membranes, cold tolerance, and carbon storage in montane red spruce

PG Schaberg, DH DeHayes, GJ Hawley… - Canadian Journal of …, 2002 - cdnsciencepub.com
Nous avons évalué l'influence d'une fertilisation azotée (N) prolongée à faible dose sur le
calcium associé à la membrane (mCa) dans les aiguilles, la concentration de sucre et …

Winter injury and developmental cold tolerance of red spruce

DH DeHayes - Ecology and decline of red spruce in the eastern …, 1992 - Springer
Of the numerous hypotheses that have been proposed to explain the reported reduction in
vigor, biomass, and regeneration of red spruce (Picea rubens Sarg.) throughout various …

Effects of excess nitrogen on frost hardiness and freezing injury of above-ground tissue in young oaks (Quercus petraea and Q. robur)

FM Thomas, U Ahlers - The New Phytologist, 1999 - cambridge.org
The effects of excess nitrogen (N) on the frost hardiness and freezing injury of bark and buds
were tested in 2-yr-old sessile oaks (Quercus petraea) and pedunculate oaks (Q. robur) that …