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ประเมินมูลค่าคุณลักษณะประจำพันธุ์ของข้าวลูกผสมในประเทศไทย Thai Agricultural
Suthipol Saeli; Orachos Napasintuwong Artachinda.
On September 27, 2011, the Rice Department of Thailand certified first two hybrid rice varieties. However, the information about trait preferences remains unanswered. The objective of this study is to derive the trait valuation of hybrid rice in Thailand using a choice experiment estimated by a mixed logitmodel. The survey of396 farmers reveal that resistance to brown plant hoppers has the highest value, followed byhigh yielding and height, respectively. Therefore, rice breeding for high yielding varieties in Thailand should take into account such traits in response to farmers demand.
Tipo: PhysicalObject Palavras-chave: Hybrid rice; Trait valuation; Choice experiment; Mixed logit; ข้าวลูกผสม; การประเมินมูลค่า; คุณลักษณะ; แบบทดสอบทางเลือก.
Ano: 2012 URL: http://anchan.lib.ku.ac.th/agnet/handle/001/5401
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การใช้เครื่องจักรกลและผลิตภาพแรงงานในการผลิตข้าวของประเทศไทย Thai Agricultural
Santi Sanglestsawai; Orachos Napasintuwong Artachinda.
This study reviews the situation of farm mechanization in rice production. Factors affecting labor productivity in rice production, both first and second cropping seasons in 2010/2011, was analyzed using quantile regression and ordinary least square models. The results reveal that increasing farm size would increase labor productivity in both first and second cropping seasons while laborsaving technology would increase labor productivity only in the first cropping season. Thus, increasing farm size, investment in research and development of labor-saving technology, and supporting the appropriate use of labor-saving technology will improve labor productivity in a labor shortage situation.
Tipo: Collection Palavras-chave: Rice; Farm size; Labor saving technology; Machinary; Labor productivity; Quantile regression; ข้าว; ขนาดฟาร์ม; เทคโนโลยีประหยัดแรงงาน; เครื่องจักรกล; ผลิตภาพแรงงาน; การผลิตข้าว.
Ano: 2012 URL: http://anchan.lib.ku.ac.th/agnet/handle/001/5329
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