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- Title
EFFECTS OF PHOSPHORUS IN THE WASTEWATER FROM INTENSIVE CATFISH FARMING PONDS ON THE GROWTH AN PHOSPHORUS UPTAKE OF Hymenachne acutigluma (Stued.).
- Authors
Le Diem Kieu; Pham Quoc Nguyen; Tran Thi Tuoi; Ngo Thuy Diem Trang
- Abstract
Hymenachne aquatic grass, Hymenachne acutigluma was planted in the wastewater from intensive striped catfish (Pangasianodon hypophthalmus) cultivating ponds containing 2.1 mg N/L, which was enriched with a serious of inorganic phosphorus (P) concentrations. The experiment was arranged in a completely randomized design with three replications in the net house for 42 days. The results showed that P concentrations did not significantly affect the growth of Hymenachne. The presence of high P concentrations resulted in the increase of P content in plant tissues leading to higher P absorption at the P levels of 8 and 10 mg P/L. H. acutigluma removed 12.1-27.6% P from 88.3-95.9% P in the wastewater of striped catfish pond. This result indicated the low concentrations of N (2.1 mg N/L) and of 1-10 mg P/L were not optimal for the growth of H. acutigluma.
- Subjects
PHOSPHORUS; SEWAGE; CATFISHES; HYMENACHNE amplexicaulis; BIOMASS
- Publication
Journal of Biology / TẠp chí Sinh HỌc, 2018, Vol 40, Issue 4, p29
- ISSN
0866-7160
- Publication type
Article
- DOI
10.15625/2615-9023/v40n4.13276