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  <leader>01220nam a2200217Ia 4500</leader>
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  <controlfield tag="008">210402s9999    xx            000 0 und d</controlfield>
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   <subfield code="a">Khảo sát diễn biến hàm lượng nitrate trong đất phù sa và đất phèn trồng bắp :</subfield>
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   <subfield code="b">Luận văn Thạc sĩ Khoa học. Chuyên ngành: Khoa học đất</subfield>
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   <subfield code="c">Ngô Ngọc Thời ; Ngô Ngọc Hưng (Hướng dẫn khoa học)</subfield>
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   <subfield code="c">2009</subfield>
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   <subfield code="a">Nghiên cứu ảnh hưởng của các liều lượng bón đạm đến diễn biến hàm lượng nitrate sau 3 đợt bón phân trên 2 loại đất phù sa Ô Môn và đất phèn Giồng Riềng. Mô phỏng diễn biến hàm lượng nitrate trong đất bằng mô hình CERES-maize.</subfield>
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   <subfield code="a">Trung tâm Học liệu Trường Đại học Cần Thơ</subfield>
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