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  <controlfield tag="008">210402s9999    xx            000 0 und d</controlfield>
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   <subfield code="a">Xác định khả năng chịu mặn của một số loài cỏ trong điều kiện nhà lưới :</subfield>
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   <subfield code="b">Luận văn tốt nghiệp cao học ngành. Khoa học Môi trường</subfield>
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   <subfield code="c">Phạm Thị Hân ; Ngô Thụy Diễm Trang (Cán bộ hướng dẫn)</subfield>
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   <subfield code="b">Trường Đại học Cần Thơ</subfield>
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   <subfield code="a">Đề tài được thực hiện nhằm (i) đánh giá khả năng chịu mặn NaCl của bốn loài cỏ ngập nước (Bồn bồn, cỏ Bàng, Năn bộp và Năn tượng); và (ii) đánh giá khả năng chịu mặn NaCl của ba loài cỏ thức ăn gia súc (cỏ Lông tây, cỏ Paspalum và cỏ sữa Setaria). Cây được trồng bằng phương pháp thủy canh trong dung dịch dinh dưỡng Hoagland ở bốn mức nồng độ mặn 5, 10, 15 và 20‰, với nghiệm thức đối chứng (ĐC) là dung dịch dinh dưỡng không bổ sung NaCl (0‰). Tương ứng với lượng NaCl bổ sung cho năm nghiệm thức là 0; 2,4; 6,9; 12,6 và 18,0 g NaCl/L. Mức nồng độ mặn 5‰ (2,4 g NaCl/L) được tăng dần mỗi tuần đến khi đạt mức 20‰. Hai thí nghiệm này được bố trí cùng thời điểm và trong điều kiện nhà lưới theo kiểu bố trí nhân tố hoàn toàn ngẫu nhiên với 3 lần lặp lại.</subfield>
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   <subfield code="x">Research,Nghiên cứu</subfield>
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   <subfield code="a">Trung tâm Học liệu Trường Đại học Cần Thơ</subfield>
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