草甸棕壤水稻田磷酸酶活性及对施肥措施的响应

应用生态学报 ›› 2005, Vol. 16 ›› Issue (3): 583-585.

草甸棕壤水稻田磷酸酶活性及对施肥措施的响应

沈菊培^1,2, 陈振华^1,2, 陈利军¹

1. 中国科学院沈阳应用生态研究所, 沈阳, 110016;
2. 中国科学院研究生院, 北京, 100039

收稿日期:2004-05-20 修回日期:2004-08-16 出版日期:2005-03-15 发布日期:2005-03-15
通讯作者: 陈利军
基金资助:
中国科学院知识创新工程重大资助项目(KZCX2-413).

Phosphatase activities in rice planting meadow brown soil and their responses to fertilization

SHEN Jupei^1,2, CHEN Zhenhua^1,2, CHEN Lijun ¹

1. Institute of Applied Ecology, Chinese Academy of Sciences, Shenyang 110016, China;
2. Graduate School of Chinese Academy of Sciences, Beijing 100039, China

Received:2004-05-20 Revised:2004-08-16 Online:2005-03-15 Published:2005-03-15

摘要/Abstract

关键词: Fertilization, Phosphomonoesterase, Phosphodiesterase, Phosphotriesterase, Meadow brown soil

Abstract: This study is aimed to investigate the activities of phosphomonoesterase (acid,neutral,and alkaline),phosphodiesterase and phosphotriesterase in a rice planting meadow brown soil at the lower reach of Liao River,and their responses to different fertilization treatments.The results showed that there was no significant difference in soil total P and organic P contents among all treatments,but soil available P content was significantly higher in treatment OM than in other treatments.Soil acid and neutral phosphomonoesterase had a higher activity than alkaline phosphomonoesterase and phosphodiesterase,while phosphotriesterase had the lowest activity.No significant difference was found in phosphatase activities between different fertilization treatments.Soil acid phosphomonoesterase activity had a significant correlation with soil total P and available P contents,while soil phosphodiesterase activity significantly correlated with soil organic P content.

Key words: Fertilization, Phosphomonoesterase, Phosphodiesterase, Phosphotriesterase, Meadow brown soil

中图分类号:

S154.2

沈菊培, 陈振华, 陈利军. 草甸棕壤水稻田磷酸酶活性及对施肥措施的响应[J]. 应用生态学报, 2005, 16(3): 583-585.

SHEN Jupei, CHEN Zhenhua, CHEN Lijun . Phosphatase activities in rice planting meadow brown soil and their responses to fertilization[J]. Chinese Journal of Applied Ecology, 2005, 16(3): 583-585.

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