Effects of nitrogen and phosphorus ratios on the productivity of brackishwater fishponds
| Autor principal: | |
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| Format: | Thesis |
| Publicat: |
Iloilo City
University of the Philippines in the Visayas
1981.
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| Matèries: |
| Autor principal: | |
|---|---|
| Format: | Thesis |
| Publicat: |
Iloilo City
University of the Philippines in the Visayas
1981.
|
| Matèries: |