University of Tehran Iranian Journal of Agricultural Economics and Development Research 2008-4838 47 1 2016 03 20 Investigating Ecological sustainability of Rice Farms in Two Regions of Sirvan and chardavol, Ilam Province Investigating Ecological sustainability of Rice Farms in Two Regions of Sirvan and chardavol, Ilam Province 237 248 58846 10.22059/ijaedr.2016.58846 FA Homayoon Moradnezhadi 0000-0003-3101-1848 Journal Article 2016 08 14 The purpose of this research was to investigating ecological sustainability of Rice Farms in Sirvan and Chardavol regions. Survey method was used for the research. Statistical population of the study were farmers (n-1260), by using stratified proportionate random sampling technique and based on Cochran formula, 136 farmers were selected. Instrument for data gathering was questionnaire that its validity was confirmed by experts' panel. Cronbach's Alpha coefficient has been used in order to determine questionnaire's reliability and it was equal to 0.87. SPSS software has been used for Data analysis. Results showed that some of indices such as: exchange farm lands to other activities, amount of farm water, using disk, status of tillage, and anti bacterial seeds are suitable in these two regions. There were deferences between the two regions on indices such as: returning straw residue from crop to soil, depth of surface soil, use of fertilizers and pesticides, and use of disk for preparing farm and animal fertilizer. The purpose of this research was to investigating ecological sustainability of Rice Farms in Sirvan and Chardavol regions. Survey method was used for the research. Statistical population of the study were farmers (n-1260), by using stratified proportionate random sampling technique and based on Cochran formula, 136 farmers were selected. Instrument for data gathering was questionnaire that its validity was confirmed by experts' panel. Cronbach's Alpha coefficient has been used in order to determine questionnaire's reliability and it was equal to 0.87. SPSS software has been used for Data analysis. Results showed that some of indices such as: exchange farm lands to other activities, amount of farm water, using disk, status of tillage, and anti bacterial seeds are suitable in these two regions. There were deferences between the two regions on indices such as: returning straw residue from crop to soil, depth of surface soil, use of fertilizers and pesticides, and use of disk for preparing farm and animal fertilizer. https://ijaedr.ut.ac.ir/article_58846_c60b8bbdd75b626e859445baade7e469.pdf