نتایج جستجو برای: reduced when salinity level increased but

تعداد نتایج: 4530500  

In the present study, improvement of salt tolerance in basil (as a salt-sensitive plant) was investigated through silicon (Si) nutrition. Basil plants were subjected to silicon (0, 3 mM) and salinity (0, 50, 100, 150 and 200 mM NaCl) for a duration of one month. Salt stress significantly decreased the biomass of basil. Si supplement (3 mM) resulted in a considerable increase (averagely +135%) i...

Journal: :journal of chemical health risks 0
manizheh kalteh department of soil science, damghan branch, islamic azad university, damghan, iran zarrin taj alipour department of soil science, damghan branch, islamic azad university, damghan, iran shahram ashraf department of soil science, damghan branch, islamic azad university, damghan, iran maryam marashi aliabadi department of soil science, science and research branch, islamic azad university, tehran, iran alireza falah nosratabadi department of soil biology, soil and water research institute, tehran, iran

application of nanofertilizers is one of the promising methods for increasing resources use efficiency and reducing environmental pollutions. uncontrolled application of chemical fertilizer and pesticides has caused many problems to human health and domestic animals. nanofertilizers application could be a suitable way to reduce these problems. accordingly, in order to assess the silicon nanopar...

Journal: :علوم باغبانی 0
سیدلر فاطمی سیدلر فاطمی طباطبایی طباطبایی فلاحی فلاحی

abstract silicon (si) is considered one of the beneficial elements for plant, however recent studies show that si plays an important role in plant resistance to environmental stresses , like salinity. an experiment was conducted to study the effect of si and nacl salinity on the growth, yield and fruit quality of strawberry (fragaria × ananassa duch) cv “selva” was grown hydroponically in the c...

پایان نامه :وزارت علوم، تحقیقات و فناوری - دانشگاه فردوسی مشهد - دانشکده ادبیات و علوم انسانی دکتر علی شریعتی 1389

the purpose of this study is to investigate the relationships between teachers’ immediacy behaviors and iranian students’ willingness to talk in english classes. analysis of the results from willingness to talk scale represents a relatively high level of willingness to talk in english classrooms among iranian language learners. the total mean score of students’ willingness to talk was 66.3 ou...

The objective of this paper was to study the effects of two strains of isolated plant growth-promoting rhizobacteria (PGPR) on physiological and biochemical changes of wheat leaves under salinity conditions. The sterilized seeds were soaked in distilled water (control) and Nutrient Broth liquid medium of Enterobacter cloacae and Bacillus cereus (inoculated treatment) for 2 hours. After 10 days ...

پایان نامه :وزارت علوم، تحقیقات و فناوری - دانشگاه صنعتی اصفهان - دانشکده ریاضی 1390

the main objective in sampling is to select a sample from a population in order to estimate some unknown population parameter, usually a total or a mean of some interesting variable. a simple way to take a sample of size n is to let all the possible samples have the same probability of being selected. this is called simple random sampling and then all units have the same probability of being ch...

This study was conducted to evaluate the response of germination, seedling growth and antioxidant enzymes activity 15 chickpea cultivars to salinity at the University of South Korea Dankook a factorial experiment in a randomized complete block design with four replications. The treatments include chickpea cultivars and, salinity levels of water (water with electrical conductivity 0.7 dS/m as a ...

Journal: :علوم گیاهان زراعی ایران 0
الهه کمالی دانشکده کشاورزی دانشگاه زابل زمان شاه محمدی حیدری دانشکده کشاورزی دانشگاه زابل مصطفی حیدری دانشکده کشاورزی دانشگاه زابل محمد فیضی مرکز تحقیقات کشاورزی و منابع طبیعی اصفهان

in order to study the effects of irrigation water salinity and leaching fraction on soil chemical characteristic, grain yield, yield components and sodium and potassium contents in leaves of safflower, an experiment was coducted in a split plot design with four replications in 2009 at roudasht, isfahan. treatments included three irrigation water salinities of q1=3.35, q2=8.77 and q3=11.21 ds/m ...

امام, یحیی, دیانت, زهرا, دیانت, زهره, مقصودی, کبری,

In order to evaluate morphological and physiological responses of sorghum (Pegah ‎cultivar) to salt stress (0, 5, 10 and 15 dS/m) and different salicylic acid (SA) levels ‎‎(0, 0.75 and 1.5 mM), an experiment was carried out in research green house of ‎college of Agriculture Shiraz University during 2012 using a factorial as randomized ‎complete block design with four replications. The results ...

فرهودی, روزبه ,

Abstract: In this experiment, the response of canola cultivars to salnity stress in germination stage was evaluated using a factorial experiment with four replications in completely randomized design. Six canola cultivars (Fornex, Alice, Orient, Consoul, Okamer and Okapi) were subjected to four salinity levels (0, 40, 80 and 120 mMol NaCl) under room, greenhouse, field? Salinity reduced the...

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