41 | Add to Reading ListSource URL: www.hort.purdue.eduLanguage: English - Date: 2005-01-18 20:36:56
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42 | Add to Reading ListSource URL: www.pubs.ext.vt.eduLanguage: English - Date: 2014-09-04 11:46:15
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43 | Add to Reading ListSource URL: www.manitobapulse.caLanguage: English - Date: 2014-05-30 15:49:42
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44 | Add to Reading ListSource URL: www.fieldscripts.comLanguage: English - Date: 2014-04-09 12:21:31
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45 | Add to Reading ListSource URL: www.nass.usda.govLanguage: English - Date: 2013-05-15 14:48:15
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46 | Add to Reading ListSource URL: www.extension.iastate.eduLanguage: English - Date: 2014-06-09 17:02:53
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47 | Add to Reading ListSource URL: www.ces.ncsu.eduLanguage: English - Date: 1998-11-23 15:27:16
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48 | Add to Reading ListSource URL: pubs.ext.vt.eduLanguage: English - Date: 2014-05-29 11:48:34
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49 | Add to Reading ListSource URL: ohioline.osu.eduLanguage: English - Date: 2001-07-06 11:52:41
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50 | Add to Reading ListSource URL: www.ipni.netLanguage: English - Date: 2009-09-15 11:13:34
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