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Dynamic Variation of Rhizosphere Soil Enzyme Activities from Panax ginseng Fields in Different Cultivated Years(PDF)

《北方园艺》[ISSN:1001-0009/CN:23-1247/S]

Issue:
2014年19期
Page:
157-160
Research Field:
Publishing date:

Info

Title:
Dynamic Variation of Rhizosphere Soil Enzyme Activities from Panax ginseng Fields in Different Cultivated Years
Author(s):
HE Wan-sheng; HAN Zhong-ming; HAN Mei; YANG Li-min
College of Chinese Medicinal Materials,Jilin Agricultural University,Changchun,Jilin 130118
Keywords:
Panax ginseng; season; rhizosphere soil; enzyme
PACS:
S 567.5+1
DOI:
-
Abstract:
The urease,invertase and catalase activity of rhizosphere soil from cultivated Panax ginseng fields with different years were measured using the indophenol blue colorimetric method,sodium thiosulfate titration and potassiumpermanganate titration,respectively,the effect of different cultivated years on rhizosphere soil enzyme activities from cultivated Panax ginseng fields were studied.The results showed that the urease,invertase and catalase activity of rhizosphere soil from cultivated Panax ginseng fields had different distributing characteristics.The urease activity of rhizosphere soil from P.ginseng fields in different cultivated years was the maximum in the July,except that the urease activity of R2(rhizosphere soil of 2-year-old Panax ginseng) in 15～25 cm deceased in three seasons.The invertase activity of R1(rhizosphere soil of 1-year-old Panax ginseng) increased in May,July and September,and the invertase and catalase activity of R2,R3(rhizosphere soil of 3-year-old Panax ginseng) had different dynamic change in different soil layer,which were related to the difference of absorption nutrients in the different period of growth and development of Panax ginseng.The cultivation management measures should be applies in the different period of growth and development of Panax ginseng in order to provide enough nutrients according the change of enzyme activity,this knowledge was essential for high-yield cultivation of Panax ginseng in Jilin province.

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Last Update: 2014-11-26