Effect of different levels of irrigation under modified and traditional drainage on physical and chemical properties of saline soil in Egypt and Sudan / (Record no. 172594)
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| 000 -LEADER | |
|---|---|
| fixed length control field | 06070namaa22004451i 4500 |
| 003 - CONTROL NUMBER IDENTIFIER | |
| control field | OSt |
| 005 - أخر تعامل مع التسجيلة | |
| control field | 20250616151953.0 |
| 008 - FIXED-LENGTH DATA ELEMENTS--GENERAL INFORMATION | |
| fixed length control field | 250616s2024 ua a|||frm||| 000 0 eng d |
| 040 ## - CATALOGING SOURCE | |
| Original cataloguing agency | EG-GICUC |
| Language of cataloging | eng |
| Transcribing agency | EG-GICUC |
| Modifying agency | EG-GICUC |
| Description conventions | rda |
| 041 0# - LANGUAGE CODE | |
| Language code of text/sound track or separate title | eng |
| Language code of summary or abstract | eng |
| -- | ara |
| 049 ## - Acquisition Source | |
| Acquisition Source | Deposit |
| 082 04 - DEWEY DECIMAL CLASSIFICATION NUMBER | |
| Classification number | 631.62 |
| 092 ## - LOCALLY ASSIGNED DEWEY CALL NUMBER (OCLC) | |
| Classification number | 631.62 |
| Edition number | 21 |
| 097 ## - Degree | |
| Degree | Ph.D |
| 099 ## - LOCAL FREE-TEXT CALL NUMBER (OCLC) | |
| Local Call Number | Cai01.16.03.Ph.D.2024.So.E |
| 100 0# - MAIN ENTRY--PERSONAL NAME | |
| Authority record control number or standard number | Soma Labib Mahmoud Hendy, |
| Preparation | preparation. |
| 245 10 - TITLE STATEMENT | |
| Title | Effect of different levels of irrigation under modified and traditional drainage on physical and chemical properties of saline soil in Egypt and Sudan / |
| Statement of responsibility, etc. | by Soma Labib Mahmoud Hendy ; Supervision Dr. Adel S. El-Hassanin, Dr.Mohamed M. Mokhtar, Dr.Magdy Rizk Samak, Dr.Yasser M. Mahrous. |
| 246 15 - VARYING FORM OF TITLE | |
| Title proper/short title | تأثير مستويات مختلفة من الرى تحت نظم الصرف المعدل والتقليدى على الخواص الفيزيائية والكيميائية للتربة الملحية فى مصر والسودان / |
| 264 #0 - PRODUCTION, PUBLICATION, DISTRIBUTION, MANUFACTURE, AND COPYRIGHT NOTICE | |
| Date of production, publication, distribution, manufacture, or copyright notice | 2024. |
| 300 ## - PHYSICAL DESCRIPTION | |
| Extent | 130 pages : |
| Other physical details | illustrations ; |
| Dimensions | 25 cm. + |
| Accompanying material | CD. |
| 336 ## - CONTENT TYPE | |
| Content type term | text |
| Source | rda content |
| 337 ## - MEDIA TYPE | |
| Media type term | Unmediated |
| Source | rdamedia |
| 338 ## - CARRIER TYPE | |
| Carrier type term | volume |
| Source | rdacarrier |
| 502 ## - DISSERTATION NOTE | |
| Dissertation note | Thesis (Ph.D)-Cairo University, 2023. |
| 504 ## - BIBLIOGRAPHY, ETC. NOTE | |
| Bibliography, etc. note | Bibliography: pages 114-130. |
| 520 ## - SUMMARY, ETC. | |
| Summary, etc. | Irrigation water efficiency decreased with tight drainage and the quantities of waste water increased causing widespread environmental problems. Controlled drainage enhances crop yield increases and reduces subsurface drainage flows and nutrient losses. This study was conducted to test the tight drainage of farmers' irrigated fields in the Tina plain. Conventional subsurface drains were at a depth of 120 cm which is free drainage (FD), and controlled drainage at depths of 60, 80, 100 and 120 cm from the ground water level. Irrigation rates were when 25, 50 and 75% of the soft water was exhausted. The sown winter crop was wheat, followed by the summer maize crop. The highest yield of all crops was found with 60 cm water level depth. The increase for wheat was about 27% to 41% compared to the conventional exchange. For maize, these increases were 23%. The same trends were observed in water use efficiency (WUE) compared to free drainage. Controlled drainage reduced not only subsurface drainage rates but also nitrate and phosphorous losses. Thus, although controlled drainage clearly has advantages above free drainage practices, to optimize CD management options, more research is needed on the long-term effects of controlled drainage on soil salinity. |
| 520 ## - SUMMARY, ETC. | |
| Summary, etc. | ادى نظام الصرف التقليدية إلى انخفاض كفاءة الري وزيادة كميات المياه المنصرفة ,وايضا فقد العناصر الغذائية مما تسبب في مشاكل بيئية واسعة النطاق.<br/>وبما ان الصرف المحكم اوالمتحكم فيه يؤدى الى زيادة المحصول وتقليل الفقد من المياه والمغذيات عن طريق الرشح ، لذلك أجريت هذه الدراسة لاختبار الصرف المحكم في حقول المزارعين بمنطقة سهل الطينة تحت معدلات رى مختلفة . تم اختيار عدة اعماق لمستوى الماء الارضى وهى عند 120 سم وهو الصرف التقليدى (الحر) ، والصرف المتحكم فيه عند اعماق مستوى ماء ارضى 60 و 80 و 100 و 120 سم ، وكانت معدلات الري عند استنفاذ 25 و 50 و 75٪ من الماء الميسر في التربة. اجريت التجربة على محصولى القمح والذرة الشامية. النتائج المتحصل عليها اظهرت ان اعلى إنتاجية للمحاصيل كانت عند عمق مستوى ماء ارضى 60 سم مع الرى عند استنزاف 25% من الماء الميسر . ، كانت الزيادة لمحصول القمح 27٪ الى 41% مقارنة بـالكنترول وهو الصرف ( الحر). اما بالنسبة للذرة كانت الزيادة 23٪. <br/>لوحظت نفس الاتجاهات في كفاءة استخدام المياه (WUE) مقارنة بـالكنترول ، حيث كانت الزيادة 26 ، 30٪ عند مستوى ماء ارضى 60 سم لكلا من القمح ؛ والذرة على التوالى .<br/> لم يقلل الصرف المحكم من معدلات الصرف تحت السطحي فحسب ، بل يقلل أيضًا من خسائر النترات والفوسفور وايضا من كميات مياه الرى المضافة والتى يحتاجها النبات.<br/>انخفض تركيز NO3 فى مياه الصرف عند مستوى ماء ارضى 60% ، بحولى 15٪ للقمح و 8٪ للذرة مقارنة بالصرف الحر؛ كما انخفضت ملوحة التربة في الصرف الحر ، لكنها زادت قليلاً في معاملات الصرف المحكم . وبالتالي ، على الرغم من أن الصرف المحكم له مزايا تفوق الصرف الحر الا ان هناك حاجة إلى مزيد من البحث والدراسة حول الآثار طويلة المدى للصرف المتحكم فيه على ملوحة التربة. |
| 530 ## - ADDITIONAL PHYSICAL FORM AVAILABLE NOTE | |
| Issues CD | Issues also as CD. |
| 546 ## - LANGUAGE NOTE | |
| Text Language | Text in English and abstract in Arabic & English. |
| 650 #7 - SUBJECT ADDED ENTRY--TOPICAL TERM | |
| Topical term or geographic name entry element | Exchange systems |
| Source of heading or term | qrmak |
| 653 #0 - INDEX TERM--UNCONTROLLED | |
| Uncontrolled term | Controlled drainage |
| -- | Available water depletion |
| -- | Soil properties |
| -- | Wheat production |
| -- | Shal El-Tina |
| -- | Egypt |
| -- | Sudan |
| 700 0# - ADDED ENTRY--PERSONAL NAME | |
| Personal name | Adel S. El-Hassanin |
| Relator term | thesis advisor. |
| 700 0# - ADDED ENTRY--PERSONAL NAME | |
| Personal name | Mohamed M. Mokhtar |
| Relator term | thesis advisor. |
| 700 0# - ADDED ENTRY--PERSONAL NAME | |
| Personal name | Magdy Rizk Samak |
| Relator term | thesis advisor. |
| 700 0# - ADDED ENTRY--PERSONAL NAME | |
| Personal name | Yasser M. Mahrous |
| Relator term | thesis advisor. |
| 900 ## - Thesis Information | |
| Grant date | 01-01-2024 |
| Supervisory body | Adel S. El-Hassanin |
| -- | Mohamed M. Mokhtar |
| -- | Magdy Rizk Samak |
| -- | Yasser M. Mahrous |
| Universities | Cairo University |
| Faculties | Faculty of African Postgraduate Studies |
| Department | Department of Natural Resources |
| 905 ## - Cataloger and Reviser Names | |
| Cataloger Name | Shimaa |
| 942 ## - ADDED ENTRY ELEMENTS (KOHA) | |
| Source of classification or shelving scheme | Dewey Decimal Classification |
| Koha item type | Thesis |
| Edition | 21 |
| Suppress in OPAC | No |
| Source of classification or shelving scheme | Home library | Current library | Date acquired | Inventory number | Full call number | Barcode | Date last seen | Effective from | Koha item type |
|---|---|---|---|---|---|---|---|---|---|
| Dewey Decimal Classification | المكتبة المركزبة الجديدة - جامعة القاهرة | قاعة الرسائل الجامعية - الدور الاول | 16.06.2025 | 91411 | Cai01.16.03.Ph.D.2024.So.E | 01010110091411000 | 16.06.2025 | 16.06.2025 | Thesis |