SARE » Products » Crop Rotation on Organic Farms » APPENDIX 4: Characteristics of Common Agricultural Weeds Relevant to Crop Rotation Crop Rotation on Organic Farms APPENDIX 4: Characteristics of Common Agricultural Weeds Relevant to Crop Rotation SARE Outreach Charles L. Mohler, Sue Ellen Johnson | 2009 | 154 pages PDF (2.0 MB) This item is temporarily out of print. Search Download the PDF version of Crop Rotation on Organic Farms to see the full tables featured in Appendix 4: Characteristics of Common Agricultural Weeds Relevant to Crop Rotation (page 138 of the publication). Previous APPENDIX 3: Sources of Inoculum for Crop Diseases in the Northeastern United States Next APPENDIX 5: Crop Disease Pathogens Hosted by Common Agricultural Weeds