عنوان مقاله [English]
نویسندگان [English]چکیده [English]
Using productivity index is one of the important tools in evaluating performance of agricultural systems in achieving self-sufficiency and also agricultural sustainability. In this regard, if the productivity of an agricultural production system is higher than another system, it would be economically sustainable. Therefore, it seems that there is a relationship between the sustainability of production system of agricultural sector and factor productivity. For this reason, the objective of this research is considering the relation between factor productivity and agricultural sustainability in potato farms in Ardabil plain. For this research 231 samples determined by Cochran’s formula. Research data belongs to 2012-2013 crop period and was gathered through field surveys and questionnaires complete by means of two-stage random sampling. The result of this research has shown that the most and limited amount of the partial productivity respectively are related to the land and water. The total factors productivity average of the evaluated units are 0.011, therefore in average for each unit usage of total input in potato farms 0.011 tone potato has been produced at the region. Also the result of the Senanayak has been shown that the farms in studied area has intent to sustainability. Results of multiple regression models showed that the variables; the total factor productivity, farmer income, type of land ownership, education level, experience of potato cultivation, land, the knowledge of sustainable agriculture, separately has explain 25 percent of the sustainability index changes.