پديد آورنده :
بختياري، سميه
عنوان :
امكان سنجي كاربرد برخي رس هاي طبيعي و اصلاح شده ايران به عنوان جاذب و حامل علف كش 2, 4-D،
محل تحصيل :
اصفهان: دانشگاه صنعتي اصفهان، دانشكده كشاورزي
صفحه شمار :
هفده،139ص.: مصور،جدول،نمودار
يادداشت :
ص.ع.به فارسي و انگليسي
استاد راهنما :
مهران شيرواني، حسين شريعتمداري
استاد مشاور :
مهران غياثي، حسن كريم مجني
توصيفگر ها :
فرمولاسيون كندرها , رس بنتونيت , رس زئوليت و رس سپيوليت
تاريخ نمايه سازي :
5/8/92
استاد داور :
فرشيد نوربخش، محمود كلباسي، جمشيد رزمجو
كد ايرانداك :
ID554 دكتري
چكيده فارسي :
به فارسي و انگليسي: قابل رويت در نسخه ديجيتالي
چكيده انگليسي :
Feasibility of using Some Iranian Natural and Modified Clays as Sorbent and Carrier for D Herbicide Somayeh Bakhtiari E mail address s bakhtiari@ag iut ac ir April Department of Soil Science Isfahan University of Technology Isfahan Iran Supervisor Mehran Shirvani E mail address shirvani@cc iut ac ir Supervisor Hossein Shariatmadari E mail address shariat@cc iut ac ir Advisor Mehran Ghiaci Advisor Hassan KarimMojeni Department Graduate Program Coordinator Mohammad Mehdi Majidi Department of Soil Science College of Agriculture Isfahan University of Technology Isfahan Iran Department of Chemistry Isfahan University of Technology Isfahan Iran Department of Agronomy and Plant Breeding College of Agriculture Isfahan University of Technology Isfahan Iran Abstract Clay minerals have obtained considerable attention for slow release formulation of herbicides to increase weed control efficacy and reduce leaching potential and environmental pollution This study deals with preparing characterizing and examining the potentials of modified bentonite zeoilite and sepiolite in adsorption and release of dichlorophenoxyacetic acid D herbicide The results showed that D sorption of the N cetylpyridinium NCP modified minerals were much higher than those of the unmodified ones The D adsorption capacity of the organo minerals increased with increasing surfactant loading Desorption isotherms of D did not coincide their corresponding sorption isotherms showing hysteresis The proportion of D released from the organo bentonite zeolite and sepiolite after seven desorption cycles varied between to of the total retained herbicide respectively The sorbed D on NCP modified bentonite and zeolite showed gradual release pattern with time making these synthetic organo minerals suitable candidate for slow release formulation of D Key Words N cetylpyridinium modification dichlorophenoxyacetic acid PDF created with pdfFactory trial version www pdffactory com
استاد راهنما :
مهران شيرواني، حسين شريعتمداري
استاد مشاور :
مهران غياثي، حسن كريم مجني
استاد داور :
فرشيد نوربخش، محمود كلباسي، جمشيد رزمجو
