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9ADR11-A Manual of Fertilization and Supplemental Feeding Strategies for Small-Scale Nile Tilapia Culture in Ponds

PD/A CRSP Nineteenth Annual Technical Report
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Cite as: [Author(s), 2002. Title.] In: K. McElwee, K. Lewis, M. Nidiffer, and P. Buitrago (Editors), Nineteenth Annual Technical Report. Pond Dynamics/Aquaculture CRSP, Oregon State University, Corvallis, Oregon, [pp. ___.]

A Manual of Fertilization and Supplemental Feeding Strategies
for Small-Scale Nile Tilapia Culture in Ponds

Ninth Work Plan, Adoption/Diffusion Research 11 (9ADR11)
Final Report

Yang Yi and C. Kwei Lin
Aquaculture and Aquatic Resources Management
Agricultural & Aquatic Systems and Engineering Program
School of Environment, Resources and Development
Asian Institute of Technology
Pathumthani, Thailand

James S. Diana
School of Natural Resources and Environment
University of Michigan
Ann Arbor, Michigan, USA


This study was conducted at the Asian Institute of Technology from January to June 2001 to summarize the PD/A CRSP work on Nile tilapia (Oreochromis niloticus) pond culture in Thailand and thus to develop a manual of fertilization and supplemental feeding strategies for small-scale Nile tilapia culture in ponds. The manual consists of eight sections. Section 1 gives a brief introduction to PD/A CRSP work and Nile tilapia culture; section 2 introduces pond preparation; section 3 examines different sources of pond inputs and quality; sections 4 and 5 focus on fertilization and supplemental feeding strategies, respectively; section 6 presents methods to control overpopulation of Nile tilapia; section 7 introduces pond management; and section 8 gives a simple economic analysis to select the suitable strategy. The aims of the manual are to provide simple guidelines of fertilization, supplemental feeding, and pond management for small-scale Nile tilapia pond culture and to provide simple extension and training materials to extension workers, trainers, and well-educated farmers. We expect that small-scale fish farmers in Asian countries, especially in Southeast and South Asia, will benefit from this manual to produce Nile tilapia through effectively using organic and inorganic fertilizers and feeds to increase fish production, achieve higher economic returns, and reduce environmental impacts.

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