@article{paperid:204123, author = {Rostami, Majid and Koocheki, Alireza and Nassiri Mahallati, Mehdi and Kafi, Mohammad}, title = {Evaluation of chlorophyll meter (spad) for predicts Nitrogen status of corn (Zea mays L.) In the Fie}, journal = {American-Eurasian Journal of Agricultural & Environmental Science}, year = {2007}, month = {March}, issn = {1818-6769}, keywords = {Evaluation of chlorophyll meter (spad) for predicts Nitrogen status of corn (Zea mays L.) In the Field}, }