Determining replacement age of agricultural tractor (JD3140) in Varamin Region (case study)

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H. Ahmadi Chenarbon
Department of Agriculture, Varamin Pishva Branch, Islamic Azad University, Varamin Pishva, Iran.
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A. Afsar
Department of Agriculture, Varamin Pishva Branch, Islamic Azad University, Varamin Pishva, Iran.
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M. R. Ebrahimzadeh
Department of Agriculture, Shahr-e- Rey Branch, Islamic Azad University , Shahr-e- Rey, Iran.
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References

ASAE Standards (2000a). D497.4: Agricultural Machinery Management Data.

ASAE Standards (2000b). EP496. Agricultural Machinery Management.

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Hunt DR (2001). Farm Power and Machinery Management. Tenth Edition. Iowa State University Press. Ames. U.S.A.

Ward SM, Mc Nulty PB, Cunney MB (1985). Repair Costs of 2 and 4 WD Tractors. Transactions of ASAE. 28(4):1074-1076. Crossref

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