毛泡桐〔Paulownia tomentosa (Thunb)Siev.& Zucc.〕似乎非常适用于表层矿化土的改良,而且还有木材利用潜力(Carpenter,1977)。泡桐材在日本市场上价格很高。泡桐在肯塔基是天然更新,而且长势很好,所以在肯塔基的亚洲商人们都积极寻找泡桐。它生长快,在表土矿化的立地上很耐旱,有很强的抗性。泡桐种子很小,6000粒约重1克,每年可产2亿粒种子。为了获得最为理想的发芽率, Paulownia tomentosa (Thunb) Siev. & Zucc.] Seems to be well suited for the improvement of topsoil but also has potential for wood utilization (Carpenter, 1977). Paulownia material in the Japanese market, the price is high. Paulownia in Kentucky is a natural update, and the growth is very good, so in Asia, Kentucky businessmen are actively looking for paulownia. It grows fast, it is very drought-resistant and has strong resistance in the topsoil mineralization site. Paulownia seeds are very small, weighing about 1 gram of 6000, can produce 200 million seeds per year. In order to obtain the best germination rate,