نتایج جستجو برای: machinery
تعداد نتایج: 32383 فیلتر نتایج به سال:
Journal:
:Journal of the Japan Society of Colour Material
1961
Journal:
:journal of agricultural science and technology
2015
b. najafi
s. torabi dastgerduei
this study was conducted to determine timeliness costs in using machinery and their effects on farmers’ revenues. in addition, optimum cropping pattern was compared with the existing one assuming removal of timeliness cost. for the purpose of the study, mixed integer and linear programming methods were used. the study was conduced in marvdasht region in southern iran. the data were collected th...
Journal:
:Minutes of the Proceedings of the Institution of Civil Engineers
1896
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