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FLAT BED DRYING INCLUDING SURVEY RESULTS ON THE DRYING COSTS OF VARIOUS DRYING METHODS PRACTICED IN MEKONG DELTA "

The sub-component of the project on research CARD 026/VIE-05 flat bed dryer, as specified in the contract, including the following activities: Choose the site and supervise the installation of a flat bed dryer 8 tons for the experiments. Conducting experiments with 8-ton dryer under actual production conditions. Building a lab (mini) dryer and other tools necessary for testing in controlled conditions. Conducted experiments to determine the optimum drying conditions for flat bed dryer (with or without reversing the air) by using mini-dryer laboratory at the University of Agriculture, Forestry or a position nearby | SECTION 3 FLAT BED DRYING INCLUDING SURVEY RESULTS ON THE DRYING COSTS OF VARIOUS DRYING METHODS PRACTICED IN MEKONG DELTA 93 ộ The University v r Of Queensland CARD Project FLAT-BED DRYER Sub-Component 2006 2007 Report Reporting period from 15 May 2006 to 28 Feb 2007 Compiled by Phan Hieu Hien Ph.D. with contributions from staff of the NLU Center for Agricultural Energy and Machinery Le Quang Vinh Tran Thi Thanh Thuy Tran Van Tuan Nguyen Thanh Nghi. March 2007 94 CONTENTS CARD PROJECT FLAT-BED DRYER SUB-COMPONENT 2006 REPORT.96 1 INTRODUCTION.96 2 INSTALLATION OF THE 8-TON FLAT-BED DRYER.96 3 EXPERIMENTS WITH THE 8-TON DRYER UNDER ACTUAL PRODUCTION CONDITIONS. 98 3.1 Objectives.98 3.2 Materials and methods.98 3.3 Results and discussion .98 3.3.1 July 2006 experiments.98 3.3.2 March 2007 experiments.98 4 FABRICATION OF A LAB MINI DRYER FOR EXPERIMENTING UNDER CONTROLLED cOnDITIONS.99 4.1 Objective.99 4.2 Materials and methods. 99 4.3 Results and discussion 1-to dryer .104 5 THE PRRA SURVEY ON THE USE OF FLAT-BED DRYER AND THE COST OF VARIOUS DRYING METHODS IN THE MEKONG DELTA.110 5.1 Background.110 5.2 Objectives.110 5.3 Method. 110 5.4 Result and discussion.110 5.4.1 Background data.110 5.4.2 Post-harvest and drying status.112 5.4.3 Conclusions.114 6 EXTENSION MATERIALS FOR TRAINING COURSES BASED ON THE OUTCOME OF THE SURVEY AND EXPERIMENTS .115 7 CONCLUSIONS AND FURTHER PROPOSALS.116 8 EVALUATION OF FARMERS PRACTICE.117 8.1 Value losses due to field drying and sun drying.117 9 REFERENCES.118 10 APPENDIX .119 10.1 Appendix 1 Paddy milling quality analysis procedure by IRRI .119 .