nitrogen-fertilization
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The Potential of a Chlorophyll Content SPAD Meter to Quantify Nutrient Stress in Foliar Tissue of Sycamore (Acer pseudoplatanus), English Oak (Quercus robur), and European Beech (Fagus sylvatica)
Glynn C. Percival, Ian P. Keary and Kelly Noviss- Arboriculture & Urban Forestry (AUF) March 2008, 34 (2) 89-100;
- DOI: https://doi.org/10.48044/jauf.2008.012
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Fall Fertilization and Cold Hardiness in Landscape Trees
E. Thomas Smiley and A.M. Shirazi- Arboriculture & Urban Forestry (AUF) November 2003, 29 (6) 342-346;
- DOI: https://doi.org/10.48044/jauf.2003.043
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Correlating Foliar Nitrogen Levels with Growth in Two Landscape Tree Species
Ed Perry and Gary W. Hickman- Arboriculture & Urban Forestry (AUF) May 1998, 24 (3) 149-153;
- DOI: https://doi.org/10.48044/jauf.1998.019

