1- Anonymous. 2018. Statistics on agriculture (2016-2017 Crop year) .Ministry of Jihad-e- agriculture, department of planning & economic affairs, information and communication technology center. Volume 1.page 75. (In persian)
2- Babaei nejad B., Rostami M., and Dadkhah A.R. 2017. The effect of mechanical and chemical weed control on the yield of onion (Allium cepa L.) seedlings cultivated fall in Hormozgan province. Weed Search Journal 8(2): 79-91.
3- Das T.K., and Yaduraju N.T. 2008. Effect of soil solarization and crop husbandry practices on weed species competition and dynamics in soybean-wheat cropping system. Indian Journal of Weed Science 40 (1&2): 1-5.
4- Ghaffoor A. 2004. Integrated weed management in different varieties of onion (Allium cepa L.). Pakistan Journal of Weed Science Research 10(1-2): 55-62.
5- Herrmann Ch., Margaret M., Goll A., Phillippo C.J., and Zandstra B.H. 2017. Post emergence Weed Control in Onion with Bentazon, Flumioxazin, and Oxyfluorfen. Weed Science. Soc. Am1-12.
6- Holm L.G., Plucknett D.L., Pancho J.V., and Herberger J.P. 1977. The World’s Worst Weeds. Distribution and Biology. Malabar, FL: Krieger Publishing. pp. 125–133.
7- Hossein panahi F., Hosseini S.A., Pouramir F., and Nasiri mahalati M. 2009. Evaluation of purple nutsedge control in potato field. Iranian Journal of Agricultural Research 8(5): 812-817.
8- Jordan-Molero J.E., and Stoller E.W. 1978. Seasonal development of yellow and purple nutsedges (Cyperus esculentus and C. rotundus) in Illinois. Weed Science 26: 614-618.
9- Karimi M.I., Hassan G., Ishfaq khan M., Ahmad khan I., and Bibi S. 2012. The impact of chemical and non-chemical weed control methods on weeds dynamics and on the yield of onion (Allium cepa L.). Pakistan Journal of Weed Science Research 18(2): 255-263.
10- Khokhar K.M., Mahmood T., Shakeel M., and Farooq Chaudhry M. 2006. Evaluation of integrated weed management practices for onion in Pakistan. Crop Protection 25: 968–972.
11- Khthepuri J.V., and Jawale S. 2007. Weed management in irrigated Onion under plane zone of western mahashtra. Madras Agricultural Journal 94: 127-130.
12- Lifshitz N., Gur Y., shlevin E., and Alon Y. 1976. The use of Bentazon for the control of Cyperus rotundus and Tribulus terrestris in peanuts and of Ammi species in onions. Phytoparasitica 4(2): 150-1.
13- Mahzari S., Baghestani M.A., Shirani raad A.H., Nasiri M., and Omrani M. 2012. Combined Mechanico-Chemical Management of Weed Control (Echinochloa crus-galli L.) and nutsedge (Cyperus diformis L.) in Rice. Journal of Crop Ecophysiology (Agricultural Sciences) Volume 6. 4(24): 441-454. (In Persian)
14- Malik Y.S., Singh K.P., and Pandita M.L. 1981. Chemical weed control studies on onion. Annual conf. Indian Soc. Weed Science.32.
15- Marwat K.B., Gul B., Saeed M., and Hussain Z. 2005. Efficacy of different herbicides for controlling weeds in onion in higher altitudes. Pakistan Journal of Weed Science Research 11(1&2): 61-68.
16- Peachey E., Felix J., and Boydston R.A. 2008. Dry bulb onion tolerance to sequential applications of bentazon applied to control yellow nutsedge (Cyperus esculentus) in the Pacific Northwest. Proc. Weed science .Soc. Am 48: 33
17- Porwal M.K., and Singh M.M. 1993. Effect of nitrogen and weed management on onion. Indian journal of Agronomy 38(1): 74-77.
18- Ransom C.V., Rice C.A., and Ishida J.K. 2004. Yellow Nutsedge Competition in Dry Bulb Onion Production.Yellow nutsedge competition in dry bulb onion production. Oregon State University, Malheur experiment station, special report 1055.pp.97-99.
19- Sanjeev A., Sandhu K.S., and Ahuja S. 2003. Weed management through the use of herbicides in cabbage–onion relay cropping system. Ann. Biology 19: 27–30.
20- Smith R. 2007. Dry Bulb Onion Weed Control Studies. Monterey, CA: University of California Cooperative Extension.
21- Yazdani kaouchoei N., and Alam zade Ansari V.N. 2009. Effect of oxyflurfen and oxadiazone herbicides on weed control In the onion production season (Allium cepa L.). 6th Horticultural Science Conference, Rasht, University of Guilan. (In persian)