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  <leader>01461nam a2200229Ia 4500</leader>
  <controlfield tag="001">CTU_173005</controlfield>
  <controlfield tag="008">210402s9999    xx            000 0 und d</controlfield>
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   <subfield code="a">633.18</subfield>
  </datafield>
  <datafield tag="082" ind1=" " ind2=" ">
   <subfield code="b">Ph431</subfield>
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  <datafield tag="088" ind1=" " ind2=" ">
   <subfield code="a">60620112</subfield>
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  <datafield tag="100" ind1=" " ind2=" ">
   <subfield code="a">Đặng, Thanh Phong</subfield>
  </datafield>
  <datafield tag="245" ind1=" " ind2="0">
   <subfield code="a">Hiệu quả của mô hình áp dụng kỹ thuật &quot;Một phải, năm giảm&quot; để quản lý dịch hại trong canh tác lúa tại tỉnh An Giang 2009-2010</subfield>
  </datafield>
  <datafield tag="245" ind1=" " ind2="0">
   <subfield code="b">(Luận văn Thạc sĩ Khoa học, chuyên ngành Bảo vệ thực vật)</subfield>
  </datafield>
  <datafield tag="245" ind1=" " ind2="0">
   <subfield code="c">Đặng Thanh Phong</subfield>
  </datafield>
  <datafield tag="260" ind1=" " ind2=" ">
   <subfield code="a">Cần Thơ</subfield>
  </datafield>
  <datafield tag="260" ind1=" " ind2=" ">
   <subfield code="b">Trường Đại học Cần Thơ</subfield>
  </datafield>
  <datafield tag="260" ind1=" " ind2=" ">
   <subfield code="c">2011</subfield>
  </datafield>
  <datafield tag="520" ind1=" " ind2=" ">
   <subfield code="a">Nghiên cứu được tiến hành tại 3 huyện Thoại Sơn, Châu Thành và Châu Phú, tỉnh An Giang, trong vụ Hè thu, vụ Đông Xuân. Mô hình được thực hiện với qui mô diện tích 3-5ha, sử dụng giống xác nhận OM4213. Kết quả cho thấy, dịch hại chính như bệnh đạo ôn, rầy nâu và sâu cuốn lá ở ruộng mô hình diễn ra ở mức độ nhẹ thấp hơn ruộng đối chứng trong cả 2 vụ Hè thu và Đông xuân.</subfield>
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  <datafield tag="650" ind1=" " ind2=" ">
   <subfield code="a">rice diseases,Lúa bệnh</subfield>
  </datafield>
  <datafield tag="650" ind1=" " ind2=" ">
   <subfield code="x">pests diseases,Sâu bệnh</subfield>
  </datafield>
  <datafield tag="904" ind1=" " ind2=" ">
   <subfield code="i">N.Anh, K.Mi, Trong Hieu</subfield>
  </datafield>
  <datafield tag="980" ind1=" " ind2=" ">
   <subfield code="a">Trung tâm Học liệu Trường Đại học Cần Thơ</subfield>
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