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  <leader>01823nam a2200217Ia 4500</leader>
  <controlfield tag="001">CTU_163783</controlfield>
  <controlfield tag="008">210402s9999    xx            000 0 und d</controlfield>
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   <subfield code="a">60620116</subfield>
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   <subfield code="a">Nguyễn, Trọng Hữu</subfield>
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  <datafield tag="245" ind1=" " ind2="0">
   <subfield code="a">Đánh giá hiệu quả sản xuất của ba mô hình nuôi tôm vùng ảnh hưởng mặn huyện Vĩnh Thuận, tỉnh Kiên Giang :</subfield>
  </datafield>
  <datafield tag="245" ind1=" " ind2="0">
   <subfield code="b">Luận văn Thạc sĩ Khoa học chuyên ngành phát triển Nông thôn</subfield>
  </datafield>
  <datafield tag="245" ind1=" " ind2="0">
   <subfield code="c">Nguyễn Trọng Hữu ; Dương Ngọc Thành, Đỗ Minh Nhựt (Cán bộ hướng dẫn)</subfield>
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   <subfield code="a">Cần Thơ</subfield>
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   <subfield code="b">Trường Đại học Cần Thơ</subfield>
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   <subfield code="c">2010</subfield>
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   <subfield code="a">Nghiên cứu này được thực hiện từ năm 2009 đến năm 2010 tại 6 xã thuộc vủng ảnh hưởng mặn của huyện Vĩnh Châu, tỉnh Kiên Giang nhằm phân tích thự trạng, các yếu tố ảnh hưởng đến hiệu quả sàn xuất và lựa chọn mô hình canh tác phù hop75 trong 3 mô hình nuôi tôm chính( chuyên tôm, quản canh cải tiến và lúa -tôm). Nghiên cứu đã sử dụng cả 2 nguồn số liệubao gồm thứ cấp và sơ cấp . Số liệu sơ cấp được thu thập bằng phương pháp phỏng vấn nông thôn có sự tham gia - PRA (như phỏng vấn người am hiểu , phỏng vấn nhóm) ; điều tra nông hộ (150 hộ) và điều tra bổ sung ( 20 hộ năm 2010)</subfield>
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   <subfield code="a">Rural development,Phát triển nông thôn</subfield>
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   <subfield code="i">Thoa, Hải</subfield>
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   <subfield code="a">Trung tâm Học liệu Trường Đại học Cần Thơ</subfield>
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