论文部分内容阅读
试验研究·土壤质地对带状毛白杨丰产林生长的影响(1· 1 )…………………………………………用红树蚁除治松腮扁叶蜂的生物防治试验(1· 5)…………………………………………吲哚丁酸在石榴扦插育苗上的应用试验 (1· 3)……山海关杨速生丰产林最佳更新期的探讨 (1· 7)……营
EXPERIMENTAL RESEARCH · Effects of Soil Texture on Growth of Pinus tabulaeformis Rich-Proportioned Forest (1.1) .................................................................................... Biological Control Test (1.5) ................................................ Indole butyric acid in the pomegranate cutting seedling application trials (1.3) ... Shanhaiguan poplar fast growing forest best update Discussion (1.7) ... Camp