By means of investigating roots reinforcement of Robinia pseudoaca- cia artificial forest cut before years of 2,4 and 6,among which the stump after 6 years of cutting had sprouted,it was showed that roots reinforece- ment of R.

• 通过对采伐后2年、4年刺槐林伐根和伐后曾经萌蘖的6年伐根的研究表明,刺槐林采伐后根系国土作用明显衰退,但并未立即消失。