A HIGH-EFFICIENCY, LOW-TECHNOLOGY TULLGREN-TYPE EXTRACTOR FOR SOIL MICROARTHROPODS

被引：144

作者：

CROSSLEY, DA ^{[1
]}

BLAIR, JM ^{[1
]}

机构：

[1] OHIO STATE UNIV, DEPT ENTOMOL, COLUMBUS, OH 43210 USA

来源：

AGRICULTURE ECOSYSTEMS & ENVIRONMENT | 1991年 / 34卷 / 1-4期

关键词：

D O I：

10.1016/0167-8809(91)90104-6

中图分类号：

S [农业科学];

学科分类号：

09 ;

摘要：

Construction and operation of a high-gradient Tullgren-type extractor for soil microarthropods are described. The extractor is simple and inexpensive, and is designed to be operated in a refrigerator or refrigerated room. Tops of samples are heated by Christmas tree lights; bottoms of samples are protected from heat by baffles and are cooled by the refrigerated air, yielding a 20-degrees-C gradient. The design of the extractor and the operating procedures are intended to reduce contamination by soil, thus increasing efficiency and reducing sample sorting time.

引用

页码：187 / 192

页数：6

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