@article{paperid:1015211,
author = {,  and Koocheki, Alireza and Nassiri Mahallati, Mehdi},
title = {effects of elevatedco2 on thecompetitionability between various c3and c4 crops and weed species in greenhous condition},
journal = {Research on Crops},
year = {2009},
volume = {10},
number = {3},
month = {June},
issn = {0972-3226},
pages = {723--735},
			numpages = {12},
keywords = {c3 andc4species; elevated co2 concentration},
}