Search Results for the EPA National Library Catalog

Items Found: 4

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Your Search: (SUBJECT=Tsuga heterophylla)

 
 
 

Select Item Title Year Published
Acid fog effects on conifer seedlings. 1990
Availability and Uptake of Inorganic Nitrogen in a Mixed Old-Growth Coniferous Forest. 1993
Effects of Ammonium and Nitrate on Nutrient Uptake and Activity of Nitrogen Assimilating Enzymes in Western Hemlock. 1993
Regional Variation in Growth Response of Coastal Douglas-Fir to Nitrogen Fertilizer in the Pacific Northwest. 1990

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