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Báo cáo khoa học: Commercial and High Quality Cultivars of Root and Tuber Crops for Processing Purpose in the Northern and Central Vietnam

Giống cây thương mại và chất lượng cao của rễ và củ cây trồng để chế biến Mục đích ở miền Bắc và miền Trung Việt Nam (Dự án số 008/07VIE) | Ministry of Agriculture Rural Development Australian Government AusAID Commercial and High Quality Cultivars of Root and Tuber Crops for Processing Purpose in the Northern and Central Vietnam Project No. 008 07VIE Baseline Study Milestone 2 Date 22 July 2008 TABLE OF CONTENT Executive Summary. 3 I. Background . 4 II. Survey objectives. 4 III. Survey Methodology. 4 IV. Research results. 5 ATTACHMENT A SURVEY QUESTIONNAIRE. 21 2 AusAID CARD Project 008 07VIE Food Crops Research Institute Vietnam and University of Sydney Australia Baseline survey on the current production and consumption of sweet potato in Quangtri Thanhhoa and Bacgiang provinces of Vietnam Collaborating organizations - Food Crop Research Institute Ministry of Agriculture and Rural Development MARD Vietnam - University of Sydney Australia Project leaders - Vietnamese Project Leader A Prof. Dr. Nguyen Van Tuat - Australian Project Leader Prof. Les Copeland Haiduong Vietnam May 2008 Executive Summary A survey of current practices for sweet potato cultivation and use was conducted by local extension officers in Thanhoa Bacgiang and Quangtri Provinces. The survey involved a questionnaire designed by FCRI in conjunction with the USyd partners Attachment A and interviews in each of three communes in three districts in the three selected provinces and addressed issues including source of planting materials cultivation methods planting and harvest times inputs area planted yield and dry matter content of tubers use of sweet potato tubers leaves and stems. A brief initial review of the sweet potato literature was also conducted which will be updated progressively during the project. The following were among the conclusions of the survey Farmers in the three provinces have been planting sweet potato for a long time and it has brought considerable economic return for farmers in all three investigated provinces. Sweet potato cultivation is been considered irreplaceable in the cropping systems. Sweet potato is .