Maple decline

<h2 id="external-links">External links</h2>
<ul>
<li>Trees portal</li></ul>
<ul><li><a href="http://plantclinic.cornell.edu/FactSheets/mapledecline/maple.htmPlant">Disease Diagnostic Clinic. (1999, August). "Maple decline factsheet."</a>[<i>dead link</i>] Cornell University, Ithaca, New York.</li>
<li><a href="https://web.archive.org/web/20131101221833/http://www.nrs.fs.fed.us/pubs/nh/nh_7_02.pdf">Walters, James. (2002, July). "Recognizing and Preventing Maple Decline,"</a> <i>Northern Hardwood Notes</i>, North Central Forest Experiment Station, United States Forest Service.</li></ul>

<h2 id="references">References</h2>

<ol>
<li id="fn:1"><p>Schaberg, Paul G. (February 2017). "Acid Rain and Sugar Maple Decline" (PDF). Maple Syrup Digest. pp. 3–13. Retrieved 2019-01-13. Acid rain-induced Ca depletion predisposes sugar maple trees to decline. <a href="https://www.fs.fed.us/nrs/pubs/jrnl/2017/nrs_2017_schaberg_001.pdf" target="_blank">https://www.fs.fed.us/nrs/pubs/jrnl/2017/nrs_2017_schaberg_001.pdf</a> <a href="#fnref:1" class="footnote-back-ref">↩</a></p></li>
</ol>

Maple decline open-in-new

Maple decline