Document Type : Research Paper
Authors
1 Agronomy Group, Gorgan University of Agricultural Sciences and Natural Resources, Gorgan 49138-15739, Iran
2 Agronomy Group, Gorgan University of Agricultural Sciences and Natural Resources, Gorgan 49138-15739, Iran.
3 Department of Crop Science, North Carolina State University, Raleigh, NC 27695-7620, USA.
Abstract