Akemo, M. C., Regnier, E. E. and Bennett,M. A. 2000. Weed suppression inspring-sown rye (Secalecereale)-pea(Pisumsativum) cover crop mixes. Weed Technology 14(3): 545-549.##Allison, J. R. and Ott, S. L. 1987. Economics of using legumes as a nitrogen source in conservation tillage systems. Soil Science Society of America 145-150.##Bilalis, D., Karkanis, A. and Efthimiadou, A. 2009. Effects of two legume crops, for organic green manure, on weed flora, under Mediterranean conditions: Competitive ability of five winter season weed species. African Journal of Agricultural Research 4(12): 1431-1441.##Blanco-Canqui, H., Holman, J. D.,Schlegel, A.J.,Tatarko, J. and Shaver,T. 2013. Replacing fallow with cover crops in a semiarid soil: Effects on soil properties. Soil Science Society of America Journal77:1026-1034.##Blanco-Canqui, H., Shaver, T. M., Lindquist, J. L., Charles, A., Shapiro, R. W., Elmore, C., Francis, A. and Hergert. G. W. 2015. Cover crops and ecosystem services: Insights from studies in temperate soils. Agronomy Journal 107(6): 2449-2474.##De Bruin, J. L., Porter, P. M. and Jordan,N. R. 2005. Use of a rye cover crop following corn in rotation with soybean in the upper Midwest. Agronomy Journal 97: 587-598.##De Haan, R.L., Wyse, D.L., Ehlke, N.J., Maxwell, B.D. and Putnam, D.H. 1993. Simulation of spring seeded smother plants for weed control in corn (Zeamays). Weed Science 42: 35-43.##Denise, M.F. and Nancy,G.C. 2008. Weed management on organic farms. Center for environmental farming systems (CEFS). 1-34.##Elmore, C.D. 1980. Inhibition of turnip (Brassica rapa) seed germination by velvet leaf (Abutilon theophrasti) seed. Weed Science 28: 658-660.##Fakhari, R. and A. Tobeh. 2013. Towards more sustainable production systems. Persian Gulf Crop Protection 2(2): 49-58.##Frye, W.W., Smith, W. G. and Williams. R. J. 1985. Economics of winter cover crops as a source of nitrogen for no-till corn. Journal of Soil and Water Conservation 40:246-249.##Hasannejad, S. and Alizadeh, H. 2005. Winter rye appropriate option in the management of weeds in spring crops. Proceedings of the 1stConference of Weed Science. Plant Pests and Diseases Research Institute, January5-6, Tehran, Iran. pp: 146. (In Persian).##Ghorbani,R., Rashedmohasel, M.H., Hosseni, S. A., Mosavi, S. K. and Haj MohammdniaGhalibafK. 2009. Sustainable weed management.Ferdowsi Mashhad University Press. 924p. (In Persian).##Hutchinson, C. M. and Mc Giffen,M. E. 2000. Cowpea cover crop mulch for weed control in desert pepper production. Hort Science 35: 196-198.##Linares, J., Scholberg, J.M.S., Chase, C., Mcsorely, R. and Ferguson, J. 2008. Evaluation of annual warm-season cover crops for weed management in organic citrus. Proceedings of the 16th IFOAM Organic Congress, June 16 -20, Modena, Italy.##Norsworthy, J.K. 2004. Small-grain cover crop interaction with glyphosate-resistant corn. Weed Technology 18: 52-59.##Qamar, I. A., Keatinge, J. D. H., Noor-Mohammad, A. and Ajmal Khan, A. M. 1999. Introduction and management of vetch/barley forage mixtures in the rainfed areas of Pakistan forage yield. Australian Journal Agricultural Research 50: 1-9.##Sadeghpour, A., Gorlitsky, L. E., Hashemi, M., Weis, S. A. and Herbert, S. J. 2014. Response of switchgrass yield and quality to harvest season and nitrogen fertilizer. Agronomy Journal106:
290-296.##Salako, F.K. and Tian, G. 2003. Soil water depletion under various leguminous cover crops in the derived savanna of west Africa. Agriculture, Ecosystems and Environment 100: 173-180.##Samedani, B. and Montazeri, M. 2009. The use of cover crops in sustainable agriculture. Plant Protection Institute Publications, Iran. (In Persian).##Samedani, B., RahimiyanMashhadi, H. andShahabiyanM. 2005. The use of cover crops in weed control management compared to chemical and mechanical control methods. Journal of Agricultural Sciences Natural Resources 12: 24-33. (In Persian with English Abstract).##Samedani, B., Ranjbar, M., RahimiyanMashhadi, H. and Jahansooz, M. 2007. The effects of winter rye cover crops planting and hairy vetch and their mixtures on density and biomass of London rocket (Sisymbriminmirio) and Earth smoke (Fumariavillanti). Plant Diseases 1: 85-95. (In Persian with English Abstract).##Shurley, W. D. 1987. Economics of legume cover crops in corn production. In:Power, J. F. (Ed.). The role of legumes in conservation tillage systems. Soil Conservation Society of America 152-153.##Smeda, R.J. and Weller, S.C. 1996. Potential of rye (Secalecereale) for weed mangement in transplant tomatoes (Lycopersicomesculentum). Weed Science44: 596-602.##Teasdale, J. R., Brandsaeter, L. O.,Calegari,A.,Skora Neto, F., Upadhyaya,M. K. and Blackshaw,R. E. 2007. Non-chemical weed management: Principles, concepts and tech. Cover crops and weed management. CABI Book Publication. 201 p.##Tokasi, S., RashedMohassel, M.H., RezvaniMoghaddam, P., NassiriMahallati, M., Aghajanzadeh, S. and KazerooniMonfared, E. 2008. Orange orchard weeds management using cover crops and rice mulch. Iranian Journal of Field Crops Research 6 (1): 49-57. (In Persian with English Abstract).##Westgate, L.R., Singer, J.W. and Kohler, K. A. 2005. Method and timing of rye control affects soybean development and resource utilization. Agronomy Journal 97: 806-816.##White, R. H., Worsham, A. D. and Blum,U. 1989.Allelopathic potential of legume debris and agueous extracts.Weed Science 37: 674-679.##Wortman, S. E., Francis, C.A. and Lindquist,J. L. 2012. Cover crop mixtures for the western corn belt: Opportunities for increased productivity and stability. Agronomy Journal 104: 699-705.
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