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Evaluation of Nitrogen and Phosphorus Wastes Produced by Nile Tilapia (Oreochromis niloticus L.) Fed Azolla-Diets in Earthen Ponds
Azolla Aquaculture Environment Fish Meal Replacement Oreochromis niloticus Nitrogen Phosphorus Nutrient Balance
2013/3/11
Nitrogen (N) and phosphorus (P) wastes produced by Nile tilapia Oreochromis niloticus L. fed Azolla, an aquatic atmospheric nitrogen fixing fern, was evaluated for 90 days in pond experiment. Six ison...
Impact of Feedlot on Soil Phosphorus Concentration
Feedlot Water Soluble P Bray -1 P Cattle Manure Phosphorus Runoff
2013/3/12
Raising cattle in feedlots is becoming more common in Argentina, but there is little information available about the effects of this practice on soil phosphorus (P) dynamics. In this study, concentrat...
同济大学环境监测课件 Phosphorus and Phosphate。