Simple methods for aquaculture topography for freshwater fish culture topographical surveys
Topographical surveys - plan surveying, topographical surveys - direct levelling, topographical plans and maps, measurement of areas and then topography and freshwater fish culture.
Đã lưu trong:
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| Format: | Bog |
| Sprog: | Undetermined |
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Rome
FAO
1989
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| Fag: | |
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| Thư viện lưu trữ: | Trung tâm Học liệu Trường Đại học Cần Thơ |
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| Summary: | Topographical surveys - plan surveying, topographical surveys - direct levelling, topographical plans and maps, measurement of areas and then topography and freshwater fish culture. |
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