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3 Progress of Joint Research Activities
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                  Research No.:   ㉗ E-3  ODA Loan Joint Research                         Date: Oct. 16 , 2020
                1 General Title     Evaluating changes of the agro-ecological changes under
                                  great threats of the in-situ development and climate change

                2 Core Members   CTU:  Tran Sy Nam (Leader), Van Pham Dang Tri Nguyen Thi Hong Diep, Do Thi Xuan Ngo Thuy Diem
                                 Trang, Tran Ba Linh, Dinh Minh Quang, Dang Minh Quan, Nguyen Van Cong
                                 Japanese Universities:
                                 TARAO Mitsunori (TUAT), KOYAMA Jiro (Kagoshima University)
                                                                              st
                3 Duration                            Jan. 2018 – Dec. 2020 (3 years)  <1 Batch>
                4 Main Objectives  The aim of the program are to identify impacts of agro-ecological changes under artificial
                                 activities and climate changes in the upper reach and coastal areas where the most negative
                                 impacts has been formed in the Mekong Delta.
                5 Focal Points











                                            Table. Concentration (mg/kg) of carbosulfan (Carbo) and chlorpyrifos ethyl (Chorpy) in   Table. Water concentration (µg/L) of carbosulfan (Carbo) and chlorpyrifos ethyl (Chorpy) in
                                            soil/sediment in ricefields and irrigation system in Cho Moi district, An Giang Province, Vietnam   ricefields and irrigation system in Cho Moi district, An Giang Province, Vietnam
                                                 Rice field   Canal 1   Canal 2   Rice field   Canal 1   Canal 2
                                             Time   Carbo   Chlorpy   Carbo   Chlorpy   Carbo   Chlorpy   Time   Carbo   Chlorpy   Carbo   Chlorpy   Carbo   Chlorpy
                                              9-Apr-20   <DL   <DL   <DL   <DL   <DL   <DL   9-Apr-20   <DL   <DL   <DL   <DL   <DL   <DL
                                              1-May-20   <DL   <DL   <DL   <DL   <DL   <DL   1-May-20   <DL   <DL   <DL   <DL   <DL   <DL
                                             14-May-20   <DL   0.523   <DL   <DL   <DL   2.200   14-May-20   <DL   30.3   <DL   6.9   <DL   11.6
                                            DL for Carbo = 0.05mg/kg, DL for Chorpy = 0.01 mg/kg   DL for Carbo = 0.1 µg/L, DL for Chorpy = 0.1 µg/L












                                 DIVERSITY OF WEED SPECIES IN RICE CULTIVATION
                                 AREAS IN AN GIANG PROVINCE






                                                                                  Outside dike: 2 rice crop/year + flooding.









                6 Comments       This research still continues towards conducting
                ⓒ All Rights Reserved, Nov. 2020 (CTU)


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