Khảo sát một số tính chất hóa, lý môi trường đất, nước của hệ thống chuyên tôm, tôm lúa trên đất phèn và không phen huyện Thới Binh, Cái Nước và Đầm Dơi, Tỉnh Cà Mau : Chuyên ngành Khoa học Môi trường

Kết quả nghiên cứu của đề tài cho thấy giá trị pH đất khô của hệ thống tôm lúa và tôm chuyên ở vùng đất phèn thấp hơn so với vùng đất phù sa tôm chuyên, mức độ nhiễm mặn của các nhóm đất tăng theo thời gian ( từ 7,75 mS.cm-1 đến 41,87...

সম্পূর্ণ বিবরণ

সংরক্ষণ করুন:

গ্রন্থ-পঞ্জীর বিবরন
প্রধান লেখক:	Thái, Trường Giang
বিন্যাস:	গ্রন্থ
ভাষা:	Undetermined
প্রকাশিত:	Cần Thơ Đại học Cần Thơ 2003
বিষয়গুলি:	Shripm culture
ট্যাগগুলো:	ট্যাগ যুক্ত করুন কোনো ট্যাগ নেই, প্রথমজন হিসাবে ট্যাগ করুন!

Thư viện lưu trữ:	Trung tâm Học liệu Trường Đại học Cần Thơ

বিবরন
সংক্ষিপ্ত:	Kết quả nghiên cứu của đề tài cho thấy giá trị pH đất khô của hệ thống tôm lúa và tôm chuyên ở vùng đất phèn thấp hơn so với vùng đất phù sa tôm chuyên, mức độ nhiễm mặn của các nhóm đất tăng theo thời gian ( từ 7,75 mS.cm-1 đến 41,87 mS.cm-1 ), lân dễ tiêu cho đất rất nghèo ( khoảng 0,18 - 1,31 mg.100g-1 ), hàm lượng N-NH4 hữu cơ dễ phân hủy của hệ thống tôm chuyên và tôm lúa trên đất phèn ( 11,9 - 19,21 mg.kg-1) có khuynh hướng cao hơn trong hệ thống tôm chuyên trên đất phù sa không phèn ( 3,31 - 10,31mg.kg-1 ). Chất hữu cơ trong đất tăng dần trong vụ tôm ở hệ thống tôm chuyên thuộc vùng đất phèn tiềm tàng ( từ 7,99% đến 11,09% ).

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