长期施肥土壤β-葡糖苷酶动力学特性研究

被引:7
作者
马星竹
陈利军
武志杰
张玉兰
房娜娜
机构
[1] 中国科学院沈阳应用生态研究所
关键词
β-葡糖苷酶; 酶促反应; 动力学参数; 施肥处理;
D O I
暂无
中图分类号
S158 [土壤肥力(土壤肥沃性)];
学科分类号
0903 ; 090301 ;
摘要
以长期施肥的黑土和棕壤为供试对象,对土壤β-葡糖苷酶动力学特性进行研究.结果表明,土壤β-葡糖苷酶的酶促反应符合一级动力学模型.黑土有机肥处理对土壤β-葡糖苷酶动力学参数影响较大,Km和Vmax值均高于单施化肥和对照处理;与对照相比,化肥处理影响较小.棕壤施用化肥后,Km和Vmax值与其他处理相比均减小,有机肥处理后Vmax和Vmax/Km值增大.2种土壤各施肥处理β-葡糖苷酶的Vmax值与土壤有机质、全氮含量均呈显著正相关关系,并对施肥处理的响应较敏感.
引用
收藏
页码:552 / 556
页数:5
相关论文
共 13 条
[1]  
土壤农业化学分析方法.[M].鲁如坤主编;.中国农业科技出版社.2000,
[2]  
土壤酶学.[M].周礼恺 编著.科学出版社.1987,
[3]   Long-term application of compost influences microbial biomass and enzyme activities in a tropical Aeric Endoaquept planted to rice under flooded condition [J].
Nayak, Dali R. ;
Babu, Y. Jagadeesh ;
Adhya, T. K. .
SOIL BIOLOGY & BIOCHEMISTRY, 2007, 39 (08) :1897-1906
[4]   Effects of fertilization and tillage on soil biological parameters [J].
Mijangos, Iker ;
Perez, Roberto ;
Albizu, Isabel ;
Garbisu, Carlos .
ENZYME AND MICROBIAL TECHNOLOGY, 2006, 40 (01) :100-106
[5]   Differentiating microbial and stabilized β-glucosidase activity relative to soil quality [J].
Knight, TR ;
Dick, RP .
SOIL BIOLOGY & BIOCHEMISTRY, 2004, 36 (12) :2089-2096
[6]   Enzyme activities and microbial community structure in semiarid agricultural soils [J].
Acosta-Martínez, V ;
Zobeck, TM ;
Gill, TE ;
Kennedy, AC .
BIOLOGY AND FERTILITY OF SOILS, 2003, 38 (04) :216-227
[7]   Effects of liming and tillage systems on microbial biomass and glycosidases in soils [J].
Ekenler, M ;
Tabatabai, MA .
BIOLOGY AND FERTILITY OF SOILS, 2003, 39 (01) :51-61
[8]   Field management effects on soil enzyme activities [J].
Bandick, AK ;
Dick, RP .
SOIL BIOLOGY & BIOCHEMISTRY, 1999, 31 (11) :1471-1479
[9]   Biological and biochemical indicators in derelict soils subject to erosion [J].
Garcia, C ;
Hernandez, T .
SOIL BIOLOGY & BIOCHEMISTRY, 1997, 29 (02) :171-177
[10]   Effects of conventional tillage on biochemical properties of soils [J].
Curci, M ;
Pizzigallo, MDR ;
Crecchio, C ;
Mininni, R ;
Ruggiero, P .
BIOLOGY AND FERTILITY OF SOILS, 1997, 25 (01) :1-6