土层厚度对紫色土坡地生产力的影响朱波.pdf

27 6 735~ 739 Vol127, N o16 pp735~ 739 2009 11 JOURNAL OF M OUN TA IN SC IEN CE Nov1, 2009 : 1008- 2786- ( 2009) 6- 735- 05 朱 波, 况福虹, 高美荣, 汪涛, 王小国, 唐家良 (, 610041) : , , 73% 20~ 60 cm, , ;, , , , 20 cm40 cm 60 cm 50%74%, 80 cm 28%40%, 100 cm 23%34% 60 cm,, 20 d,, 60 cm60 cm : ; ; ; + : S1551 2 5 : A , , 5, Ñ 100 cm, 1 Ò 60~ 100 cm, Ó 30~ 60cm, Ô 30 cm, Õ [ 1] 111 , , , [ 2] , , , [3] [5] , 9 49 4 2 , 1211@ 10 km , 2915% , , 2113% , 715% [ 3, 4] / 0 / 0 112 , 11211 , , , 3 1132 g/cm , pH 8143, 9145 g/ , ? kg, N 0158 g/kg, P 0154 g/kg, 20112 g/kg, 2813% , 713% 11212 ( Received date): 2009- 05- 11 ( Foundation item): ( SCX2- YW - N- 46- 11)( 2008BAD98B05)[ Supported by now ledge Innovation Project of CAS ( SCX2- YW - N- 46- 11) and National eyT echnology RD Program ( 2008BAD98B05). ] ( Biography): ( 1966- ), ( ), , , [ Zhu Bo ( 1966- ), male, PH1 D1 and research