| 书目名称 | Sampling Methods in Soybean Entomology |
| 编辑 | Marcos Kogan,Donald C. Herzog |
| 视频video | |
| 丛书名称 | Springer Series in Experimental Entomology |
| 图书封面 |  |
| 描述 | Insects as a group occupy a middle ground in the biosphere between bacteria and viruses at one extreme, amphibians and mammals at the other. The size and gen eral nature of insects present special problems to the student of entomology. For example, many commercially available instruments are geared to measure in grams, while the forces commonly encountered in studying insects are in the mil ligram range. Therefore, techniques developed in the study of insects or in those fields concerned with the control of insect pests are often unique. Methods for measuring things are common to all sciences. Advances sometimes depend more on how something was done than on what was measured; indeed a given field often progresses from one technique to another as new methods are discovered, developed, and modified. Just as often, some of these techniques fmd their way into the classroom when the problems involved have been suffici ently ironed out to permit students to master the manipulations in a few labo ratory periods. Many specialized techniques are confined to one specific research laboratory. Although methods may be considered commonplace where they are used, in another context even the s |
| 出版日期 | Book 1980 |
| 关键词 | Cytogenetics; Entomology; Pathogen; Schädliche Insekten; Sojabohne; biosphere; predator; soybean |
| 版次 | 1 |
| doi | https://doi.org/10.1007/978-1-4612-9998-1 |
| isbn_softcover | 978-1-4613-8069-6 |
| isbn_ebook | 978-1-4612-9998-1Series ISSN 0172-6188 |
| issn_series | 0172-6188 |
| copyright | Springer-Verlag New York Inc. 1980 |
发表于 2025-3-21 19:51:13
