نتایج جستجو برای: Saline water

تعداد نتایج: 594169  

Journal: :آب و خاک 0
علیرضا کیانی ابوطالب هزارجریبی طیبه دهقان مجتبی خوش روش

introduction: water scarcity is one of the major problems for crop production. using drip irrigation as an effective method in the efficient use of water is expanding in arid and semi-arid regions. one of the problems in under pressure irrigation during use of saline, unconventional and waste is emitters clogging. there are several ways to prevent particle deposits in pipes and clogging of emit...

Journal: :journal of agricultural science and technology 2010
j. pourreza n. nili m. a. edriss

this experiment was carried out to study the effect of sodium chloride from drinking water and feed intake on the quality of egs from laying hens. four hundred and twenty native and white leghorn laying hens ranging from 36 to 43 weeks of age were used. seven experimental treatments containing different levels of salt supplied by feed and/or drinking water were compared. increasing salt int...

Journal: :iranian journal of environmental sciences 0
mina arast department of geography and eco-tourism, faculty of natural resources and earth sciences, university of kashan, kashan, iran gholamreza zehtabian department of arid and mountainous regions reclamation, faculty of natural resources, university of tehran, iran mohammad jafari department of arid and mountainous regions reclamation, faculty of natural resources, university of tehran, iran hassan khosravi department of arid and mountainous regions reclamation, faculty of natural resources, university of tehran, iran bahareh jabalbarezi department of arid and mountainous regions reclamation, faculty of natural resources, university of tehran, iran

population’s exponential growth along with drought has increased water resources limitation, especially in arid and semi-arid area. therefore, the use of non-conventional water is an important tool for water resource management. if unconventional water has no negative impact on soil properties and water, it can be used for irrigation coupled with desertification projects. so, this paper tries t...

پایان نامه :وزارت علوم، تحقیقات و فناوری - دانشگاه شیراز - دانشکده علوم 1392

gol-e-gohar iron ore mine of sirjan in southern part of iran is a large open pit that operates below the groundwater table and during mining operation, dewatering is required to prevent operation processes from flooding. current operation is going on by digging wells in or out of the pit and pumping to prevent flooding. as a result of the former dewatering operation a vast deep cone of depressi...

Journal: :iranian journal of environmental sciences 0
gholamabbas asadpour department of geology, faculty of science, university of hormozgan, bandarabbass, iran

with a mean precipitation rate, much lower than that of the world, iran is among the countries that face severe water challenges. the present study has dealt with the evaluation of hydrochemistry of faryab spring water in hormozgan province, iran. four different composite water samples have been analyzed to detect major anions, cations, total dissolved solids, electrical conductivity, ph, and s...

Journal: :آب و خاک 0
فاطمه مستشفی حبیب آبادی محمد شایان نژاد محسن دهقانی سید حسن طباطبائی

abstract the irrigation water quality is not suitable for crop production in most regions of iran. it is estimated that almost six bcm/year of saline water enter to the rivers, in iran. the saline water can potentially use for growing of tolerant crops with a specific management on the agriculture practice. one of the management methods is the conjunction use of fresh and saline water. in this ...

Journal: :Journal of AOAC INTERNATIONAL 1961

Journal: :Saline Systems 2005
Robert Jellison

The 9th International Conference on Salt Lake Research was held 26-30 September 2005 in Western Australia at the Curtin University of Technology, Perth, Australia. One hundred scientists from 10 countries presented research on a diverse array of topics highlighting research findings and opportunities, and management challenges associated with inland saline waters. Major emergent themes of the c...

Journal: :journal of agricultural science and technology 2014
s. khayamim r. tavkol afshari s. y. sadeghian k. poustini f. roozbeh

it is well known that sugar beet is sensitive to salinity stress at the germination stage. three separate experiments were conducted to study the effects of salinity on seed germination, plant establishment, and yield of sugar beet genotypes for screening purposes. these included: (a) a laboratory study using four water salinity levels (with ec values < 0.1 as the control, 16, 20, and 24 ds m-1...

Journal: :KONA Powder and Particle Journal 2011

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