Supported by Jiangsu High School Natural Science Fund(09KJB210004);Undergraduate Practice Innovation Project of Nanjing University of Information Science & Technology (09CX0025 );Educational Reform Project of Nanjing University of Information Science &Technology (09JY0036)~~
[Objective] The paper aims to explore the influences of source sink change of wheat at different densities on wheat yield.[Method] 225 (D1) and 320 plant/m2(D2) were adopted,then cutting flag leaf (L1),the secon...