Research Article
Chlorophyll Content and Biological Yield of Modern and Old Rice Cultivars in Different Urea Fertilizer Rates and Applications
Department of Agronomy, Mazandaran University Abad Road, P.O. Box 578, Sari, Iran
Hemmatollah Pirdashti
Department of Agronomy and Plant Breeding, Mazandaran University Abad Road, P.O. Box 578, Sari, Iran
Mortaza Nasiri
Rice Research Institute of Mazandaran Amol Abad Road, P.O. Box 578, Sari, Iran
Mohammad Ali Bahmanyar
Department of Soil Science, Mazandaran University Khazar Abad Road, P.O. Box 578, Sari, Iran