نوع مقاله : کامل علمی - پژوهشی
نویسندگان
1 هیئت علمی مرکز تحقیقات کشاورزی و منابع طبیعی استان کرمانشاه
2 دانشجوی کارشناسی ارشد دانشگاه شهید چمران اهواز
3 دانشگاه آزاد اسلامی واحد کرج
چکیده
کلیدواژهها
عنوان مقاله [English]
نویسندگان [English]
In order to study effective factors in sugar beet production using two stage cluster sampling, totally one hundred producers were selected from kermanshah and Islamabad cities in kermanshah province. Data were collected through interviews and filling out questionnairs for crop season 1999-2000. Evaluation of technical efficiency of sugar beet producers and its effective factors was carried out using cob-Douglas productions functions and Maximum likelihood Method. Results showed that average rate of technical efficiency of farmers was 82 percent in kermanshah and 77 percent in Islamabad. The effects of the number of fields, previous year culture, fertilizer usage based on soil analysis, time of the last irrigation, culture method and reading extension materials were evident on sugar beet producer technical efficiency.
کلیدواژهها [English]
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