@article{paperid:1036489,
author = {Kohansal, Mohammad Reza and Rahimi, Mohsen},
title = {Productivity growth of barley in Iran},
journal = {International Journal of Agriculture and Crop Sciences},
year = {2013},
volume = {5},
number = {22},
month = {August},
issn = {2227-670x},
pages = {2710--2715},
			numpages = {5},
keywords = {Productivity growth; Iran; barley},
}