Supported by the National Key Technology R&D Program (2007BAD65B01-4);Science and Technology Development Plan of Heilongjiang Province in China (GB06B104-1-5);Key Technology R&D Program of Heilongjiang Province in China (GA09B102-3)
Two japonica rice varieties, Longjing 20 (more tillers and curved panicle type, MCP) and Longjing 21 (few tillers and half erect panicle type, FEP), were used to study the effects of row-spacing on canopy structur...