青海省玛可河林区主要森林病虫害种类及防治对策青海省瑪可河林區主要森林病蟲害種類及防治對策 청해성마가하림구주요삼림병충해충류급방치대책 Study on Countermeasunes of the Main Forest Diseases and Insects Pest Type and Control in Makehe Forestry Area of Qinghai Province
万方数据
青海农林科技青海農林科技청해농림과기 SCIENCE AND TECHNOLOGY OF QINGHAI AGRICULTURE AND FORESTRY 2002年2期29-29,共1页
