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Article
Influence of Different Types of Mulching on Corn Growth and Soil Temperature as

Author: Abd Alrahman P. Haydar
Journal: Journal Of Kirkuk University For Agricultural Sciences مجلة جامعة كركوك للعلوم الزراعية ISSN: 22210482 Year: 2019 Volume: 2018 المؤتمر الدولي الزراعي الثالث Issue: عدد خاص Pages: 48-56
Publisher: Kirkuk University جامعة كركوك

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Abstract

Soil temperature and water limitations are the most important factors that affect on corn growth during different stages of its development. Mulching is an effective strategy to moderate soil temperature and conserve soil moisture through reducing evaporation. A study was made during July through Sept. 2016 at the experimental field of the Agriculture College, Salahaddin University at Girdarasha site/Erbil. The main objective was to study the effectiveness of different colors of the plastic films and two organic mulches on the growth of two hybrids of corn grown in a silty clay loam soil. The results indicate that irrespective of mulch type, mulching resulted in a higher soil temperature compared with the unmulched soil. All of the applied mulches exhibited similar trends during different stages of corn growth. It was also observed that mulching resulted in an increase in the aboveground biomass yield by 16.38% to 31.1%. Among different plastic mulches, the white plastic mulch gave the highest biomass production. Conversely, the plant height and the biomass production were the lowest under the blue mulch treatment.

يعتبر تحديد حرارة و رطوبة التربة من العوامل الاكثر اهمية التى تؤثر في نمو الذرة في المراحل المختلفة من النمو. ان عملية التغطية هي من الاستراتيجيات الفعالة لتعديل حرارة التربة والحفاظ على رطوبة التربة من خلال تقليل التبخر.اجريت الدراسة خلال شهر تموز ولغاية ايلول 2016 في حقول كرده ره شه التجريبية التابعة لكلية الزراعة- جامعة صلاح الدين/ اربيل.كان الهدف الرئيسى للبحث دراسة فعالية الالوان المختلفة من الغطاء البلاستيكى ونوعين من الغطاء العضوي في نمو هجينين من نباتات الذرة الصفراء المزروعة في تربة غرينية طينية طمية. تشير النتائج وبغض النظر عن نوعية التغطية ٬ ان معاملات التغطية اعطت درجات حرارة اعلى من ما مقارنة بمعاملة المقارنة ٬ والمعاملات التي استخدمت فيها الكساء كانت نتائجها باتجاهات مشابهة خلال المراحل المختلفة من نمو النبات ٬ وكما لوحظ بان التغطية ادت الى زيادة في انتاج الكتلة الحيوية على سطح التربة ٬ والزيادة كانت بمقدار اقصاها 31٫1% وادناها 16٫38% مقارنة بمعاملة المقارنة .


Article
Alleviation of green cabbage salt stress by soil mulch and some treatments

Authors: Wassan M. Abo Al-Timmen --- Ali Husain Jasim --- Rusul Kaleel Ibraheem
Journal: Mesopotamia Environmental Journal بيئة وادي الرافدين ISSN: 24102598 Year: 2018 Issue: Special Issue E Pages: 74-86
Publisher: Babylon University جامعة بابل

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Abstract

In current research, green cabbage plants was exposed to many treatments which was (saline soil (11.3 dSm.m-1), mulch (black polyethylene), and three kindes of fertilizers ( urea , complete fertilizer and PHCA (polyoxal) in addition of control to alleviate salt stress of green cabbage plants in response of( leaf area , (SOD) activity, (CAT) activity ,GSH content and MDA concentration. Mulching soil caused a significant increase in leaf area and, while it caused a significant decrease in CAT activity and MDA content. Complete fertilizer caused the highest increase in leaf area and glutathione concentration than other treatments. GSH content The best treatment in dual interaction was ( mulch+ complete fertilizer) which it caused an increasing in leaf area and GSH content , while it caused a significant decrease in CAT activity.

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