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DocumentGuidelines for Sustainable Manure Management in Asian Livestock Production Systems (2008)
A publication prepared under the framework of the RCA project on Integrated Approach for Improving Livestock Production Using Indigenous Resources and Conserving the Environment
2008Also available in:
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No Thumbnail AvailableProjectA preliminary study on the nutrient sources for fish growth in manured pond as indicated by delta C analysis
Establishment of a Network of Aquaculture Centres in Asia
1985Also available in:
No results found.In a manured fish pond, the conversion of manure-feeds-fish undergoes a complicated process of pond dynamics. In order to understand and manipulate this process and to help us improve farming productivity, we introduced carbon isotope analysis in our experiment. We measured delta C of organic matter, such as fish body, fish feeds, manure, etc. And with this information, we traced the flow of carbon, analysing the interactions of fish growth and the complicated food web in a manured pond. The dat a show that filtering and omnivorous species in this manured pond obtained carbon from both autotrophic and heterotrophic production systems. This is of practical significance in planning aquacultural activities and seeking the truth of pond dynamics. -
Brochure, flyer, fact-sheetGrazing as reduced tillage, weed and nutrient management tool in western Canadian organic systems 2014
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