Nitrogen input, primary productivity and fish yield in fertilized freshwater ponds in Indonesia

@inproceedings{KnudHansen1991NitrogenIP,
  title={Nitrogen input, primary productivity and fish yield in fertilized freshwater ponds in Indonesia},
  author={Christopher F. Knud-Hansen and Ted R. Batterson and Clarence D. McNabb and Irwan S. Harahat and Komar Sumantadinata and H. Muhammed Eidman},
  year={1991}
}
Abstract Twelve 0.2-ha ponds in West Java were fertilized weekly with four levels of chicken manure (12.5, 25, 50, and 100 g dry weight/m 2 week −1 ) during a 149-day growout experiment for Nile tilapia ( Oreochromis niloticus ) production. Laboratory leaching experiments for measuring dissolved inorganic nitrogen (DIN) release from chicken manure showed that nitrogen was released as ammonia-N, which was rapidly lost from the manure and leveled off at about 6 mg NH 4 N/g dry weight chicken… CONTINUE READING

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