How chemicals move through soil presented by Natural Resources Conservation Service, U.S. Dept. of Agriculture; produced by Agricultural Communication Systems, College of Agriculture, the University of Arizona.
Discusses how chemicals move through soil, especially when transported by water. Focuses on transport, interactions with soil, and transformations.
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格式: | 影片 VHS |
语言: | English |
出版: | Tuscon : University of Arizona, [1996], ©1996. |
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Media Storage Room
索引号: |
S592.3 .H69 1996x |
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