The effect of pH, nutrient level and herbicide treatment on the growth of water-hyacinth (eichhornia orassipes (Mart.) solms [microform].
| Egile nagusia: | |
|---|---|
| Formatua: | Visual Material |
| Hizkuntza: | English |
| Argitaratua: |
Quezon City
Photoduplication Service. University of the Philippines Library
1980.
|
| Gaiak: |