Vermicomposting from cassava bagasse and rice bran by using perionyx excavatus / Vết thương của cái tôi hiện hữu trong thơ Trần Dạ Từ

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Tác giả: Bùi Quang Khải, Vân Anh Lê, Thị Ngọc Mai Trần, Thị Diệu Hiền Trương, Thị Nam Phi Từ

Ngôn ngữ: vie; Vie

Ký hiệu phân loại: 801.95 Criticism

Thông tin xuất bản: Tạp chí khoa học công nghệ và thực phẩm, Tạp chí Khoa học Đại học Văn Hiến, 20182023

Mô tả vật lý: 53-59

Bộ sưu tập: Metadata

ID: 489413

Thêm vào giỏ

Bã sắn từ các nhà máy chế biến tinh bột tại Việt Nam đang gây ô nhiễm và cần có biện pháp tái sử dụng để giảm thiểu tác động đến quản lý môi trường. Trong nghiên cứu này, bã sắn được sử dụng làm nguồn nguyên liệu trong sản xuất phân vermicompost thông qua hoạt động của trùn quế (Perionyx excavatus). Cám gạo được phối trộn bổ sung vào thành phần nguyên liệu. Kết quả cho thấy, tỷ lệ phối trộn 3 bã sắn(:)1 cám gạo (w/w) cho hiệu quả tối ưu. Bên cạnh đó, các điều kiện môi trường sống cũng được xác định là pH 5-7, nhiệt độ 26-29 ºC, độ ẩm 80-85%. Sau 60 ngày khảo sát, chất lượng của phân vermicompost tương tự với phân hữu cơ, cụ thể(:) tổng carbon hữu cơ (TOC) 22,69%, hàm lượng đạm tổng (TKN) 1,8%, tỷ lệ C/N 12,63%, P2O5 4,67 % và K2O 1,91%. Kết quả này giúp xây dựng cách tiếp cận tiềm năng và chi phí thấp trong quản lý những vấn đề môi trường phát sinh từ bã sắn, đồng thời cung cấp nguồn phân bón hữu cơ mới cho nông nghiệp.Từ khóa(:) Phân hữu cơ, Perionyx excavatus, trùn quế, bã sắn, cám gạo.( )Unprocessed cassava bagasse from starch factories in Vietnam created pollution issue and should therefore be utilized to minimize its effects on environmental management. In the present study, cassava bagasse was used as a substrate for Perionyx excavatus mediatedvermicomposting. Rice bran was added as a supplement in feeding of P. excavatus and the ratio of 3 cassava bagasse to 1 rice bran (w/w) was observed to give the highest biomass yield. Other optimal conditions included pH 5-7, temperature 26-29 oC and soil moisture 80-85%. After 60 days surveyed, vermicompost quality was similar to certain quality standards for organic fertilizer, including(:) total organic carbon (TOC) 22.69 %, total kjeldahl nitrogen (TKN) 1.80%, the C/N ratio of 12.63%, P2O5 4.67% and K2O 1.91%. These results suggest a potential and inexpensive approach to manage environmental problems of cassava bagasse via P. excavatus mediated vermicompost and simultaneously provide a new fertilizer resource for agriculture.Keywords(:) Vermicomposting, Perionyx excavatus, cassava bagasse, rice bran.( )Trần Dạ Từ là nhà thơ tiêu biểu trong văn học đô thị miền Nam giai đoạn 1954-1975. Ông đã đem đến cho thi ca một phong cách nghệ thuật độc đáo của cái tôi hiện hữu cô đơn và kiêu hãnh. Vì vậy, thơ Trần Dạ Từ có nét gần gũi với tư tưởng hiện sinh được thể hiện qua tập thơ đầu tay "Thủa làm thơ yêu em". Bài viết tập trung nghiên cứu vết thương của cái tôi hiện hữu trong thơ Trần Dạ Từ nhằm khám phá vẻ đẹp tâm hồn thi nhân trong sựgiao thoa giấc mơ và hiện thực, giữa quá khứ và hiện tại, ở phương diện vết thương của mộng tình tan vỡ và vết thương trên hành trình dấn thân., Tóm tắt tiếng anh, Tran Da Tu is a typical poet in Southern urban literature in the period 1954-1975. He brought to poetry a unique artistic style of the ego's proud and loneliness. Therefore, his first collection of poems "Thua lam tho yeu em" has closed to existential thought. The article focuses on studying the wound of existing ego in Tran Da Tu's poetry to discover the beauty of the poet's soul in the intersection of dreams and reality, past and present, in the wound of a broken love dream and the journey of commitment.

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