Reports & Publications
Douds, Davids D, Joe Lee, Joe Uknalis, Akwasi A. Boateng & Christine Ziegler-Ulsh. 2014. Pelletized Biochar as a Carrier for AM Fungi in the On-Farm System of Inoculum Production in compost and Vermiculite Mixtures, Compost Science & Utilization, 22:4, 253-262
Douds, DD., Chaiyasen, A., Vasquez L., Wertheim, F.S. 2014. On Farm production of Of Arbuscular mycorrhizal Fungus Inoculum in compost and vermiculite mixtures: Results of on-farm demonstrations and impact of compost microbiological quality. Journal of the NACAA, Vol 7, Issue 2.
Douds, DD and R Seidel. 2012. The contribution of arbuscular mycorrhizal fungi to the success or failure of agricultural practices. ESA review chapter in ‘Microbial Ecology in Sustainable Agroecosystems’, 133-152, CRC Press
Douds DD., J. Lee, L. Rogers, M. E. Lohman, N. Pinzon & S. Ganser. 2012. Utilization of inoculum of AM fungi produced on-farm for the production of Capsicum annuum: A summary of seven years of field trials on a conventional vegetable farm, Biological Agriculture & Horticulture: An International Journal for Sustainable Production Systems, 28:2, 129-145.
Mirsky Steven B., Matthew R. Ryan, William S. Curran, John R. Teasdale, Jude Maul, John T. Spargo, Jeff Moyer, Alison M. Grantham, Donald Weber, Thomas R. Way and Gustavo G. Camargo. 2012. Conservation tillage issues: Cover crop-based organic rotational no-till grain production in the mid-Atlantic region, USA. Renewable Agriculture and Food Systems March 2012 27: pp 31-40.
Douds, DD., G Nagahashi, DO Wilson, and J Moyer. 2011. Monitoring the decline in AM fungus populations and efficacy during a long term bare fallow. Plant Soil 2011 342:319-326.
Ryan MR, WS Curran, AM Grantham, LK Hunsberger, SB Mirsky, DA Mortensen, EA Nord, and DO Wilson. 2011. Effects of Seeding Rate and Poultry Litter on Weed Suppression from a Rolled Cereal Rye Cover Crop, Weed Science 59(3):438-444.
Ryan MR, SB Mirsky, DA Mortensen, JR Teasdale, and WS Curran. 2011. Potential Synergistic Effects of Cereal Rye Biomass and Soybean Planting Density on Weed Suppression, Weed Science 59(2):238-246.
Ullrich Silke D., Jeffrey S. Buyer, Michel A. Cavigelli, Rita Seidel, and John R. Teasdale. 2011. Weed Seed Persistence and Microbial Abundance in Long-Term Organic and Conventional Cropping Systems. Weed Science 59:202–209.
Douds, D.D., G. Nagahashi and P.R. Hepperly. 2010. On-farm production of inoculum of indigenous arbuscular mycorrhizal fungi and assessment of diluents of compost for inoculum production. Bioresource Technology 101: 2326-2330.
Mischler, R.A., S.W. Duiker, W.S. Curran, and D. Wilson. 2010. Hairy vetch management for no‐till organic corn production. Agronomy Journal 102: 355‐362.
Ryan, M.R., Smith, R., Mirsky, S.B., Mortensen, D.A., Seidel, R. 2010. Management filters and species traits: Weed community assembly in long-term organic and conventional systems. Weed Science. 58(3):265-277
Tonitto, C., C. Li, R. Seidel and L. Drinkwater. 2010. Application of the DNDC model to the Rodale Institute Farming Systems Trial: challenges for the validation of drainage and nitrate leaching in agroecosystem models. Nutrient Cycling in Agroecosystems 1385-1314.
Fricks, B. Kaye, J. and R. Seidel. 2009. Abiotic nitrate retention in agroecosystems and a forest soil. Soil Sci Soc Am J 73:1137-1141.
Hepperly P., Lotter D., Ziegler Ulsh C., Seidel R., and C. Reider, 2009. Compost, Manure and Synthetic Fertilizer Influences Crop Yields, Soil Properties, Nitrate Leaching and Crop Nutrient Content, Compost Science and Utilization, Vol. 17, No.2:117-126
Ryan, M., Mortensen D., Bastiaans, L., Teasdale J., Mirsky S.; Curran, W., Seidel, R., Wilson, D. and P. Hepperly. 2009. Elucidating the apparent maize tolerance to weed competition in long-term organically managed systems. Weed Research 50, 25–36.
Ryan, M., Smith, R., Mortensen, D., Teasdale, J., Curran, W., Seidel, R., and D. Shumway. 2009. Weed-Crop Competition Relationships Differ between Organic and Conventional Cropping Systems. Weed Research 49, 572–580.
Hepperly P, Seidel R., Pimentel D., Hanson J. and D. Douds. 2007. Organic Farming Enhances Soil Carbon and its Benefits. Soil Carbon Management. Economic, Environmental and Societal Benefits. CRC Press. pp 129-153. ISBN 1-4200-4407-9
Hepperly, P., Douds, D. and R. Seidel. 2006. The Rodale Institute Farming Systems Trial 1981 to 2005: Long Term Analysis of Organic and Conventional Maize and Soybean Cropping Systems. Long-term Field Experiments in Organic Farming. Verlag Dr. Koester, Berlin. pp15-31. ISBN 3-89574-590-1
Marriott E. and M. Wander. 2006. Total and Labile Soil Organic Matter in Organic and Conventional Farming Systems. Soil Sci. Soc. Am J. 70:950-959.
Marriott E. and M. Wander. 2006. Qualitative and quantitative differences in particulate organic matter fractions in organic and conventional farming systems. Soil Biology and Biochemistry Vol 38, Issue 7, July 2006, 1527-1536.
Pimentel, D. 2006. Impacts of organic farming on the efficiency of energy use in agriculture. An Organic Center State of Science Review. http://www.organic-center.org/reportfiles/ENERGY_SSR.pdf
Douds, D., Nagahashi, G., Pfeffer, P., Kayser, W., and C. Reider. 2005. On-farm production and utilization of arbuscular mycorrhizal fungus inoculum. Canadian Journal of Plant Science (85:15-21).
McCarthy John. 2005. Carbon fluxes in soil: Long-term sequestration in deeper soil horizons. Journal of Geographical Sciences 15,2: 149-154.
Pimentel, D., Hepperly P, Hanson J, and R. Seidel. 2005. Organic and Conventional Farming Systems: Environmental and Economic Issues. Environmental Biologyhttp://dspace.library.cornell.edu/bitstream/1813/2101/1/pimentel_report_05-1.pdf
Ryan, M., Wilson, D., Hepperly, P, Travis, J., Halbrend, N, and A. Wise. 2005. Compost tea potential is still brewing. Biocycle 46(6):30-32.
Douds, D., Nagahashi, G., Pfeffer, P., Kayser, W., and C. Reider. 2004. On-farm production and utilization of arbuscular mycorrhizal fungus inoculum. Canadian Journal of Plant Science (in press).
Michalak P. 2004. Water, Agriculture and You - A summary of agricultural effects on water quality and health, including results from our long-term trials, FST and CUT. The Rodale Institute, Kutztown, PA. 32p.
Douds D., and C. Reider. 2003. Inoculation with mycorrhizal fungi increases the yield of Green Peppers in a High P Soil. Biological Agriculture and Horticulture 21:91-102.
Hanson, J.C. and W.N. Musser. 2003. An economic evaluation of an organic grain rotation with regards to profit and risk. Department of Agricultural and Resource Economics, University of Maryland, Working Paper 03-10.
Lotter, D., Seidel, R., and W. Liebhardt. 2003. The performance of organic and conventional cropping systems in an extreme climate year. American Journal of Alternative Agriculture 18(3):146-154.
Drinkwater, L. 2002. Cropping systems research. HortTechnology 12(3):355-361.
Frank-Snyder, M., Douds, D., Galvez, L., Phillips, J., Wagoner, P., Drinkwater, L., and J. Morton. 2001. Diversity of communities of Arbuscular mycorrhizal (AM) fungi present in conventional versus low input agricultural sites in eastern PA, USA Applied Soil Ecology 16:35-48.
Galvez, L., Douds, D., R.R. Janke, and P. Wagoner. 2001. Effect of tillage and farming system upon VAM fungus populations and mycorrhizas and nutrient uptake of maize. Plant and Soil, 228(2):299-308.
Galvez, L., Douds, D., Wagoner, P. 2001. Tillage and farming system affect AM fungus populations, mycorrhizal formation, and nutrient uptake by winter wheat in a high-P soil. American Journal of Alternative Agriculture, 16(4): 152-160.
Puget, P., and L. Drinkwater. 2001. Short term dynamics of root- and shoot- derived carbon from leguminous green manure. Soil Science Society of America 65(3):771-779.
Drinkwater, L., Janke, R., and L. Rossoni-Longnecker. 2000. Effect of tillage and intensity on nitrogen dynamics and productivity in legume based grain systems. Plant and Soil 227(2):99-113.
Drinkwater, L., Reider, C., and S. Connelly. 2000. Soil Health Demonstration Protocols. The Rodale Institute, Kutztown, PA. 26 p.
Wander, M., and L. Drinkwater. 2000. Fostering soil stewardship through soil quality assessment. Applied Soil Ecology 15(1):61-73.
Reider, C., Herdman, W., Drinkwater, L., and R. Janke. 2000. Yields and nutrient budget under composts, raw dairy manure, and mineral fertilizer. Compost Science 8(4):328-339
Douds, D., and P. Millner. 1999. Biodiversity of Arbuscular Mycorrhizal fungi in Agroecosystems. Agriculture, Ecosystems and Environment 74:77-93
Jaenicke, E., and L. Drinkwater. 1999. Sources of productivity growth during transition to alternative cropping systems. Agriculture Resources Economic Review 28(2):169-181.
Petersen, C., Drinkwater L., and P. Wagoner. 1999. The Rodale Institute Farming Systems Trial® – The first 15 years. The Rodale Institute, 1999. 48 p.
Drinkwater, L.E., Wagoner, P. and M. Sarrantonio. 1998. Legume-based cropping systems have reduced carbon and nitrogen losses. Nature 396: 262-265.
Buyer, J., and L. Drinkwater. 1997. Comparison of substrate utilization assay and fatty acid analysis of soil microbial communities. Journal of Microbiological Methods 30: 3-11.
Buyer, J., and D. Kaufman. 1997. Microbial diversity in the rhizosphere of corn grown under conventional and low-input systems. Applied Soil Ecology 5(1): 21-27.
Douds, D., Galvez, L., Frank Synder, M., Reider, C., and L. Drinkwater. 1997. Effect of compost addition and crop rotation upon VAM fungi. Agriculture, Ecosystems and Environment 65(3):257-266.
Hanson, J., Lichtenberg, E., and S. Peters. 1997. Organic versus conventional grain production in the mid-Atlantic: An economic overview and farming system overview. American Journal of Alternative Agriculture 12(1):2-9.
Pallant, E., Lansky, D., Rio, J., Jacobs, L., Schuler, G., and W. Whimpenny. 1997. Growth of corn roots under low-input and conventional farming systems. American Journal of Alternative Agriculture 12(4):173-177.
Peters, S., Wander, M., Saporito, L., Harris, G., and D. Friedman. 1997. Management Impacts on SOM and Related Soil Properties in a Long-Term Farming Systems Trial in Pennsylvania: 1981-1991 in Soil Organic Matter in Temperate Acroecosystems; Long-Term Experiments in North America, Paul,E., Paustian, K., Elliott, E., and C. Cole (eds.), CRC Press.
Drinkwater, L., Cambardella, C., Reeder, J., and C. Rice. 1996. Potentially Mineralizable Nitrogen as an Indicator of Biologically Active Soil Nitrogen. Soil Science Society of America, Special Publication 49:217-229.
Wander, M. M., Dudley, R. B., Traina, S. J., Daufman, D., Stinner, B. R., and G. K. Sims. 1996. Acetate Fate in Organic and Conventionally Managed Soils. Soil Science of America Journal 60(4):1110-1116.
Wander, M., and S. J. Traina. 1996. Organic Matter Fractions from Organically and Conventionally Managed Soils: I. Carbon and Nitrogen Distribution. Soil Science Society of America Journal 60(4):1081-1087.
Wander M., and S. J. Traina. 1996. Organic Matter Fractions from Organically and Conventionally Managed Soils: II. Characterization of Composition. Soil Science Society of America Journal 60(4):1087-1094.
Yakovchenko, V., Sikora, L., and D. Kaufman. 1996. A biologically based indicator of soil quality. Biol Fertil Soils 21:245-251.
Galvez L., D. Douds, P Wagoner, L. Longnecker, L. Drinkwater, R. Janke. 1995. An over wintering cover crop increases inoculum of VAM fungi in Agricultural soil. American Journal of Alternative Agriculture, 10(4) 152-156.
Harris, G., Hesterman, O., Paul, E., Peters, S., and R. Janke. 1994. Fate of Legume and Fertilizer Nitrogen-15 in a Long-Term Cropping Systems Experiment. Agronomy Journal 1994, 86:910-915.
Sarrantonio, M. 1994. Northeast Cover Crop Handbook. The Rodale Institute, Kutztown, PA. 118 p.
Wander, M., Traina, S., Stinner, B., and S. Peters. 1994. Organic and Conventional Management Effects on Biologically Active Soil Organic Matter Pools. Soil Science Society of America Journal 58:1130-1139.
Douds, D., Janke, R., and S. Peters. 1993. VAM fungus spore populations and colonization of roots of maize and soybean under conventional and low-input sustainable agriculture. Agriculture, Ecosystems and Environment 43:325-335.
Peters, S., Janke, R., and M. Böhlke. 1992. Rodale’s Farming Systems Trial 1986-1990. The Rodale Institute, Kutztown, PA. 12 p.
Peters, S. 1991. Organic and conventional beyond transition. http://www.eap.mcgill.ca/MagRack/SF/Spring%2091%20J.htm
Sarrantonio, M. 1991. Soil-Improving Legumes. The Rodale Institute, Kutztown, PA. 312 p.
Werner, M., and D. Dindhal. 1990. Effects of conversion to organic agricultural practices on soil biota. American Journal of Alternative Agriculture 5(1):24-32.
Liebhardt, W., Andrews, R., Culik, M., Harwood, R., Janke, R., Radke, J., and S. Rieger-Schwartz. 1989. Crop Production During Conversion from Conventional to Low-Input Methods. Agronomy Journal 81(2):150-159.
Radke, J., Andrews, R., Janke, R., and S. Peters. 1988. Low-Input Cropping Systems and Efficiency of Water and Nitrogen Use. ASA-CSSA-SSSA. Cropping Strategies for Efficient Use of Water and Nitrogen, Special Publication no. 51: 193-217.
Doran, J., Fraser D., Culik, M., and W. Liebhardt. 1987. Influence of alternative and conventional agricultural management on soil microbial processes and nitrogen availability. American Journal of Alternative Agriculture. Vol. II, No 3:99-106.
Dabbert S. and P. Madden. 1986. The transition to organic agriculture: A multi-year simulation model of a Pennsylvania farm. American Journal of Alternative Agriculture. Vol 1, No. 3. http://www.eap.mcgill.ca/MagRack/AJAA/AJAA_3.htm