该项研究选题正确,设计合理,试验内容丰富,资料齐全,科研数据翔实可靠,分析结论正确。池杉快速无性繁殖法是池杉优良无性系选育,应用良种造林的技术基础。通过五年的实践,研究出了一种合理调节上层滤水透气和下层蓄肥保潮的扦插苗床,充分利用嫩枝在营养期进行连续多次的扦插以至超短枝扦插,使插条在上层愈合生根后能扎根 The research topic is correct, the design is reasonable, the experiment content is rich, the data are complete, the scientific research data are informative and reliable, the analysis conclusion is correct. Ipomoea rapid cloning propagation method is an excellent clone of Ipomoea batanii, the application of seedbeds afforestation technology base. Through five years of practice, we have developed a cuttage seedbed that can reasonably regulate the upper layer of water and breathable, and the lower layer of fertilizer and moisture, and make full use of the twigs during cuttings in the vegetative period for many times and even short cuttings, After the upper root heal rooted