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Sự hỗ trợ của vi khuẩn phân hủy photphat trong quá trình phục hồi đất nhiễm kim loại: một bài tổng quan
Tóm tắt
Ô nhiễm kim loại nặng trong đất là một mối quan tâm lớn. Sự hiện diện của các loại kim loại độc hại trên mức tập trung критical không chỉ ảnh hưởng tiêu cực đến sức khỏe con người mà còn đến môi trường. Trong số các chiến lược hiện có để phục hồi đất nhiễm kim loại, phương pháp phân hủy thực vật sử dụng các loại cây tích lũy kim loại cho thấy hiệu quả cao trong việc loại bỏ kim loại, nhưng nó có nhiều hạn chế do tốc độ phát triển cây chậm và giảm sinh khối do căng thẳng gây ra bởi kim loại. Ngoài ra, sự hạn chế của khả năng sinh khả dụng của kim loại trong đất là yếu tố chính hạn chế tính khả thi của nó. Quy trình phục hồi kim loại bằng phương pháp phân hủy thực vật kết hợp với vi khuẩn phân hủy photphat (PSB) đã vượt qua đáng kể các hạn chế thực tiễn do căng thẳng kim loại gây ra cho cây. Bài tổng quan này là nỗ lực mô tả cơ chế của PSB trong việc hỗ trợ và tăng cường khả năng phục hồi kim loại nặng trong đất và đề cập đến tình trạng phát triển của xu hướng ứng dụng PSB trong bối cảnh này.
Từ khóa
#ô nhiễm kim loại #phục hồi thực vật #vi khuẩn phân hủy photphat #đất kim loại #khả năng sinh khả dụng kim loạiTài liệu tham khảo
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