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  <controlfield tag="008">210402s9999    xx            000 0 und d</controlfield>
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   <subfield code="a">Hiệu quả tài chính mô hình trồng rau có và không sử dụng đất vi sinh ở thành phố Vĩnh Long :</subfield>
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   <subfield code="b">Luận văn tốt nghiệp Cao học ngành: Hệ thống Nông nghiệp</subfield>
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   <subfield code="a">Hiệu quả tài chính của mô hình trồng rau có và không sử dụng đất hữu cơ  vi sinh tại thành phố Vĩnh Long. Xác định những thuận lợi khó khăn cơ hội và thách thức của 2 mô hình, Hiệu quả tài chính của 2 mô hình, mô hình trồng rau có sử dụng đất vi sinh thì năng suất và lợi nhuận đều cao hơn mô hình không vi sinh. Qua đó cũng xác định được 3 yếu tố ảnh hưởng là xác định số vụ canh tác trong năm, đất vi sinh, lấp đặt hệ thống tưới và  và đề ra 6 giải pháp cải thiện hiệu quả 2 mô hình.</subfield>
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   <subfield code="a">Nông nghiệp,Agriculture</subfield>
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   <subfield code="c">tvtrong</subfield>
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   <subfield code="a">Trung tâm Học liệu Trường Đại học Cần Thơ</subfield>
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