Results 81 to 90 of about 4,450 (99)

ساماندهی فاضلاب نیروگاه حرارتی زرند: ارزیابی روش‌های تصفیه فاضلاب، برآورد اقتصادی و پیشنهاد گزینه برتر [PDF]

open access: yes
مقدمه: صنعت نقش عمده‌ای در آلودگی ذخایر آب داشته و در مقابل بیشترین پتانسیل را برای کاهش مصرف و اجرای برنامه‌های مدیریت آب و فاضلاب دارد. هدف از این مطالعه انتخاب بهترین روش تصفیه برای فاضلاب نیروگاه حرارتی زرند است به‌گونه‌ای که کمترین اثرات مخرب زیست ...
احمدی نمچ, آرش   +4 more
core  

Effects of Different Levels of drought Stress on Yield and Yield Components of Quinoa (Chenopodium Quinoa Willd.) [PDF]

open access: yes
Due to the limited quality of water resources and considering that the majority of the country is arid and semi-arid, it is important to cultivate plants with a high tolerance to drought and salinity.
Hossein Beyrami   +2 more
core   +1 more source

Effect of Different Irrigation Intervals and Anti-Transpirants Compounds on Yield and Yield Components and Oil of Black Cumin (Nigella sativa L.) [PDF]

open access: yes, 2017
IntroductionThe ever-increasing tendency to the use of medicinal plants in the world has grown concerns about their cultivation and production processes. As medicinal plants are more compatible with the nature, special interest and attention has recently
Gh. Davarinejad   +3 more
core   +1 more source

مقایسه راندمان انرژی تولید سیب‌زمینی (Solanum tuberosum L.)در روش‌های مختلف آبیاری در منطقه جلگه رخ تربت حیدریه

open access: yesبوم شناسی کشاورزی, 2018
به‌منظور ارزيابي و مقایسه کارایی مصرف انرژي در تولید سیب‌زمینی (Solanum tuberosum L.) براساس روش‌های آبیاری نشتی و تحت فشار مطالعه‌ای در سطح 11 مزرعه منطقه جلگه رخ شهرستان تربت حیدریه در سال 93-1392 اجرا شد.
وحید کریمی   +3 more
doaj  

Hydraulic Evaluation of Center Pivot Irrigation Systems Performance in Different Climate Conditions [PDF]

open access: yes, 2017
One of the most important issues in increasing the efficiency of modern irrigation systems is their field evaluation after exploiting. Irrigation efficiency is the main indicator in measuring and managing agricultural water consumption.
Hossein Babazadeh   +2 more
core  

Evaluation of Energy Efficiency of a Common Pea Dry Land Farming System through Application of Complementary Irrigation [PDF]

open access: yes
IntroductionCommon pea is an annual crop of the legominosae family with the capability of biological nitrogen fixation, and as such it has an important role in increasing productivity of field soil and is commonly used in crop rotation programs.
Hamdollah Eskandari, Kamyar Kazemi
core   +1 more source

Groundwater Modeling by MODFLOW Model in Toyserkan Aquifer and Evaluation of Hydrogeological State under Present and Future Conditions [PDF]

open access: yesمهندسی منابع آب, 2017
Groundwater resources are one of the most valuable natural resources. Therefore, in the recent years, the groundwater modeling is a powerful tool in management procedures, optimization and predicting of groundwater resources in future.
Abdullah Taheri Tizro, Morteza Kamali
doaj  

بررسی توزیع رطوبت خاک در آبیاری زیر سطحی گلدانی با سطوح مختلف شوری آب (مطالعه موردی گیاه ریحان) [PDF]

open access: yesمدیریت آب و آبیاری
با توجه به محدودیت‌های روزافزون منابع آب آگاهی از مقدار و توزیع رطوبت در آبیاری زیرسطحی در مدیریت آبیاری اهمیت فراوان دارد. این پژوهش با هدف بررسی آبیاری زیرسطحی گلدانی، به‌عنوان یکی از روش‌های مناسب آبیاری صورت گرفت.
حسن کریمی   +2 more
doaj   +1 more source

Studying the Methods of Drought Coping by Farmers: (Case Study: Shirvan County of Northern Khorasan Province) [PDF]

open access: yes, 2018
Understanding drought-tolerant agricultural practices in Iran is of great importance and farmers use different ways to deal with the drought phenomenon. This survey research was conducted to identify these ways and their relationship with the individual ...
Ahmad Abedi Sarvestani   +2 more
core  

Effects of Some Stress Modulators (Methanol, Nano silicon, and Humic acid) on Yield, Activity of Some Antioxidant Enzymes and Biochemical Traits of Wheat in Different Irrigation Regimes [PDF]

open access: yes
IntroductionDrought stress is one of the most common limiting factors for crop production. Due to its detrimental effects on numerous physiological and biochemical processes, this stress restricts the growth and development of plants. In this regard, the
H Narimani   +2 more
core   +1 more source

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