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Assiut Journal of Agricultural Sciences
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Volume Volume 49 (2018)
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Volume Volume 45 (2014)
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Issue Issue 1
(2014). Effects of Fish Farming Land use on Some Soil Chemical Properties and Availability of Some Micronutrients. Assiut Journal of Agricultural Sciences, 45(1), 100-115. doi: 10.21608/ajas.2014.596
. "Effects of Fish Farming Land use on Some Soil Chemical Properties and Availability of Some Micronutrients". Assiut Journal of Agricultural Sciences, 45, 1, 2014, 100-115. doi: 10.21608/ajas.2014.596
(2014). 'Effects of Fish Farming Land use on Some Soil Chemical Properties and Availability of Some Micronutrients', Assiut Journal of Agricultural Sciences, 45(1), pp. 100-115. doi: 10.21608/ajas.2014.596
Effects of Fish Farming Land use on Some Soil Chemical Properties and Availability of Some Micronutrients. Assiut Journal of Agricultural Sciences, 2014; 45(1): 100-115. doi: 10.21608/ajas.2014.596

Effects of Fish Farming Land use on Some Soil Chemical Properties and Availability of Some Micronutrients

Article 6, Volume 45, Issue 1, March 2014, Page 100-115  XML PDF (286.07 K)
Document Type: Original Article
DOI: 10.21608/ajas.2014.596
Abstract
Nile river Delta contains the major agricultural and aquacultural base lands in Egypt. Fish farming lands are spread in the northern part of the Nile Delta. Soil/sediments in fish ponds of the Delta are drained and disposed for improving the conditions of bottoms. Land uses include upland cultivation, and short- and long-term of catfish production. It was worthy to examine the influence of fish land use on some soil properties and the availability of some soil micronutrients. Ten soil profiles were chosen to represent the most popular uses of soils in the northern Nile part of the Delta including fish farming. A virgin soil was used as a reference for making comparison among the different practices. The available content of soil Fe, Mn and Cu and their relation with soil properties were studied. The results showed that the available Mn, Fe, Cu, and Zn in the catfish pond soils were higher than north upland cultivated and virgin soils. Available Fe, Mn, Cu and Zn decreased with increasing the duration use of catfish pond soils and cultivated soils, while available Zn increased with increasing duration of cultivated soil. Available Fe, Mn, Cu and Zn showed significant correlations with soil properties. The results may be applicable to other river delta areas of the world.
Keywords
Micronutrients; fish ponds; Nile Delta soils
Main Subjects
Soils and water
Article Title [العربیة]
تأثیر إستخدام المزارع السمکیة على بعض خواص التربة الکمیائیة وتیسر بعض العناصر الصغرى
Abstract [العربیة]
تعتبر أراضى دلتا نهر النیل اساس الزراعة والعملیة الزراعیة  فی مصر وتنتشر المزارع السمکیة فی الجزء الشمالی لدلتا النیل حیث قد تستخدم الأراضى التى سبق زراعتها بالمحاصیل  کمزارع سمکیة لفترات مختلفة ولدراسة مدى تأثیر استخدام اراضى المزارع السمکیة على بعض خواص التربة وتیسر بعض العناصر الصغرى (حدید, منجنیز, زنک, نحاس) . فقد تم حفر 10 قطاعات أرضیة تمثل الاستخدامات الزاعیة المختلفة فى مساحة 100 فدان بمنطقة الحامول بمحافظة کفرالشیخ بشمال الدلتا. وتشمل مزارع سمکیة وأراضى زراعیة بالإضافة الى قطاع أرضى لم تزرع من قبل (کنترول). وأشارت النتائج الى زیادة تیسر العناصر تحت الدراسة فى المزارع السمکیة مقارنة بالأراضى المنزرعة والکنترول کما یقل تیسر الحدید والمنجنیز والنحاس بزیادة فترة الاستخدام.بینما زاد تیسر عنصر الزنک بزیادة الاستخدام.یرتبط تیسر هذه العناصر معنویا بخواص التربةحیث وجد ارتباط معنوى موجب بین معظم هذه العناصر ومحتوى التربة من الاملاح والطین والمادة العضویة وارتباط معنوى سالب بین هذه العناصر وpH التربة ومحتواها من السلت والرمل.   
Keywords [العربیة]
غذیات الدقیقة. احواض السمک، تربة دلتا النیل
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