نتایج جستجو برای: irrigation and drainage projects
تعداد نتایج: 16848934 فیلتر نتایج به سال:
A field study was conducted at the Zabol Agricultural Research Center during the years (2003-2004) to investigate the effect of irrigation with treated municipal wastewater on the yield and quality of wheat and some soil properties. Irrigation treatments were: T1: Irrigation of wheat with well water during entire period of growing season T2: Irrigation of wheat with well water until the begging...
Due to the scarcity of water resources, there is a need for an additional source irrigation. Drainage waters can serve as such sources. To use these waters, it necessary develop number measures. The aim study reduce negative consequences by increasing norms preventive It vital fulfilling tasks set: calculation supply rates and irrigation regime when designing drainage As result field studies ac...
Chronic subdural hematoma (CSDH) is a curable entity frequently encountered by neurosurgeons. The present study was conducted to explore expert opinion and common practice in Iran. Besides, a Review of randomized clinical trials in literature was performed. A questionnaire including six questions discussing major aspects of practice on CSDH, with multiple choices was designed. A pilot study was...
irrigation management transfer to farmers is one of the important and necessary issues for irrigation planners globally. irrigation management transfer or participatory irrigation management by water users’ associations (wua) is a widespread strategy in the world and a good way to remove the country's irrigation and drainage systems problems. the main objective of this research was respons...
ment for intra−abdominal abscess, al− though operative mortality is high [1]. Percutaneous drainage is another option but is associated with significant morbid− ity due to the relatively long route used for catheter placement [1,2]. Endoscopic ultrasound (EUS)−guided drainage is po− tentially safe and effective for intra−ab− dominal abscess. We report a case of omental bursa abscess complicatin...
Bi-level drainage system is a type of underground drainage systems, in which adjacent drainage lines are installed at different depths. In the Hydraulics Laboratory, Ferdowsi University of Mashhad, a model was built, that include a cube tank 2 meters in length, width and height of 1 meters was made of galvanized. In this model, two rows 20 cm apart from each other drains were installed. As dr...
A field study was conducted at the Zabol Agricultural Research Center during the years (2003-2004) to investigate the effect of irrigation with treated municipal wastewater on the yield and quality of wheat and some soil properties. Irrigation treatments were: T1: Irrigation of wheat with well water during entire period of growing season T2: Irrigation of wheat with well water until the begging...
conclusions unless there are well-thought out strategies for minimizing the undesirable impact on the environment, it is not advisable that such projects be permitted. results the results showed that the negative environmental and social impacts of the project outweighed the positive impacts in terms of type, number, and intensity. materials and methods a checklist containing the positive, nega...
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