<?xml version="1.0" encoding="UTF-8"?><!DOCTYPE article  PUBLIC "-//NLM//DTD Journal Publishing DTD v3.0 20080202//EN" "http://dtd.nlm.nih.gov/publishing/3.0/journalpublishing3.dtd"><article xmlns:mml="http://www.w3.org/1998/Math/MathML" xmlns:xlink="http://www.w3.org/1999/xlink" dtd-version="3.0" xml:lang="en" article-type="research article"><front><journal-meta><journal-id journal-id-type="publisher-id">AS</journal-id><journal-title-group><journal-title>Agricultural Sciences</journal-title></journal-title-group><issn pub-type="epub">2156-8553</issn><publisher><publisher-name>Scientific Research Publishing</publisher-name></publisher></journal-meta><article-meta><article-id pub-id-type="doi">10.4236/as.2014.58071</article-id><article-id pub-id-type="publisher-id">AS-48011</article-id><article-categories><subj-group subj-group-type="heading"><subject>Articles</subject></subj-group><subj-group subj-group-type="Discipline-v2"><subject>EARTH &amp; ENVIRONMENTAL SCIENCES</subject></subj-group></article-categories><title-group><article-title>Performance Assessment of Some Flax (Linum usitatissimum L.) Varieties Using Cluster Analysis under Sandy Soil Conditions</article-title></title-group><contrib-group><contrib contrib-type="author" xlink:type="simple"><name name-style="western"><surname>Bakry</surname><given-names>Ahmed Bakry</given-names></name><xref ref-type="aff" rid="aff1"><sup>1</sup></xref><xref ref-type="corresp" rid="cor1"><sup>*</sup></xref></contrib><contrib contrib-type="author" xlink:type="simple"><name name-style="western"><surname>Omar</surname><given-names>Maghawry Ibrahim</given-names></name><xref ref-type="aff" rid="aff1"><sup>1</sup></xref></contrib><contrib contrib-type="author" xlink:type="simple"><name name-style="western"><surname>Tarek</surname><given-names>Abd El-Fattah Elewa</given-names></name><xref ref-type="aff" rid="aff1"><sup>1</sup></xref></contrib><contrib contrib-type="author" xlink:type="simple"><name name-style="western"><surname>Mohamed</surname><given-names>Farouk El-Karamany</given-names></name><xref ref-type="aff" rid="aff1"><sup>1</sup></xref></contrib></contrib-group><aff id="aff1"><addr-line>Field Crops Research Department, National Research Centre, Dokki, Egypt</addr-line></aff><author-notes><corresp id="cor1">* E-mail:<email>Bakry_ahmed2004@yahoo.com(BAB)</email>;</corresp></author-notes><pub-date pub-type="epub"><day>08</day><month>07</month><year>2014</year></pub-date><volume>05</volume><issue>08</issue><fpage>677</fpage><lpage>686</lpage><history><date date-type="received"><day>12</day>	<month>April</month>	<year>2014</year></date><date date-type="rev-recd"><day>26</day>	<month>June</month>	<year>2014</year>	</date><date date-type="accepted"><day>12</day>	<month>July</month>	<year>2014</year></date></history><permissions><copyright-statement>&#169; Copyright  2014 by authors and Scientific Research Publishing Inc. </copyright-statement><copyright-year>2014</copyright-year><license><license-p>This work is licensed under the Creative Commons Attribution International License (CC BY). http://creativecommons.org/licenses/by/4.0/</license-p></license></permissions><abstract><p>
	To assess the performance and the variability of 49
flax varieties based on agronomic parameters using cluster analysis, a field
experiment was conducted in 2011/2012 and 2012/2013 winter 