Hymenachne aquatic grass, Hymenachne acutigluma was planted in the wastewater from intensive striped catfish (Pangasianodon hypophthalmus) cultivating ponds containing mg N/L, which was enriched with a serious of inorganic phosphorus concentrations. The experiment was arranged in a completely randomized design with three replications in the net house for 42 days. | Effects of phosphorus in the wastewater from intensive catfish farming ponds on the growth and phosphorus uptake of Hymenachne acutigluma (Stued.)