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  <leader>01285nam a2200229Ia 4500</leader>
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  <controlfield tag="008">210402s9999    xx            000 0 und d</controlfield>
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   <subfield code="a">Ảnh hưởng của vi khuẩn cố định đạm lên năng suất cây lúa cao sản trồng ở huyện Mang Thít, tỉnh Vĩnh Long :</subfield>
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   <subfield code="b">Chuyên ngành Sinh thái học</subfield>
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   <subfield code="c">Ngô Thị Mỹ Hạnh; Nguyễn Hữu Hiệp (Hướng dẫn khoa học)</subfield>
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   <subfield code="b">Trường Đại học Cần Thơ</subfield>
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   <subfield code="c">2009</subfield>
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   <subfield code="a">Nội dung đề tài là phân tích, đánh giá hiệu quả của chủng vi khuẩn cố định đạm lên sự tăng trưởng và tăng năng suất cây lúa trồng tại huyện Mang Thít, tỉnh Vĩnh Long để từ đó đề xuất công thức bón phân thích hợp trong canh tác lúa.</subfield>
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   <subfield code="a">Rice,Nitrogen,Nitrogen-fixing plants,Cây lúa,Nitơ,Nitrogen-fixing microorganisms</subfield>
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   <subfield code="i">Năm</subfield>
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   <subfield code="a">Trung tâm Học liệu Trường Đại học Cần Thơ</subfield>
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