引用本文: | 研究紫花苜蓿第1茬地上部干物质生长过程与有效积温的关系[J]. 草业科学, 2009, 3(8): 81-86. |
Citation: | Relationship between the aboveground dry matter accumulation of alfalfa and the effective accumulated temperature in the first cutting[J]. Pratacultural Science, 2009, 3(8): 81-86. |