Tiêu chuẩn Quốc gia TCVN 8564: 2010
Tiêu chuẩn Quốc gia TCVN 8564: 2010 về Phân bón vi sinh vật - phương pháp xác định hoạt tính cố định nitơ của vi khuẩn nốt sần cây họ đậu. Thông tư này quy định phương pháp định lượng khả năng cố định nitơ của vi khuẩn nốt sần cây họ đậu trong phân bón bằng phương pháp định lượng khí etylen. Mời các bạn cùng tham khảo.
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