نتایج جستجو برای: stress levels including control 80 of field capacity

تعداد نتایج: 21464127  

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

the present study is an attempt to investigate the potential impact of inspirational quotes on improving english abstract vocabulary recall. to achieve this goal, a multiple choice language proficiency test of 60 items including vocabulary and grammar component was administered to a sample of 63 second-semester male and female students whose age ranged between 17 to 22 and they were studying en...

Journal: :پژوهش های تولید گیاهی 0
سمیه نظامی دانشجوی دکتری سید حسین نعمتی استاد دانشگاه حسین آرویی استاد دانشگاه عبدالرضا باقری استاد دانشگاه

shortage of water in arid and semiarid regions of the world can reduce growth and production of medicinal and aromatic plants, especially mentha species. in order to evaluate response of mint species to water deficit stress, an experiment was carried out using a completely factorial-randomized design with five replications at college of agriculturae, ferdowsi university of mashhad, iran. the fa...

پایان نامه :وزارت علوم، تحقیقات و فناوری - دانشگاه پیام نور - دانشگاه پیام نور استان تهران - دانشکده زیست شناسی 1388

abstract chickpea is weak in competition of weeds that damages to it at between 40 t0 60 percent. kermanshah province is one of the most important region for chickpea fields in iran. for these reosons, weed management is necessary in this crop. in order to evaluate of herbicides and stubble control on broad leave weeds control in chickpea. experiment was conducted in agricultural research stat...

پایان نامه :وزارت علوم، تحقیقات و فناوری - دانشگاه زنجان - دانشکده علوم انسانی و اجتماعی 1392

most specialists in the field of foreign language teachingconsiderreading skill as an interactive process between the reader’s prior knowledge and the text.accordingly, the activation of prior knowledge for an effective comprehension is very important. it is generally agreed that the pre-reading phase is the stage where this type of interaction and activation may be enhanced throughcertain stra...

This research was carried out to assess the effect of drought stress on head branch dry weight, photosynthesis, essential oil yield and radical scavenging of rosemary (Rosmarinus officinalis L.) in Islamic Azad University, Shoushtar branch, Iran during 2010-2011.The experiments were carried out using complete randomized block design with four replications and drought stress levels included cont...

Journal: Desert 2020
B. Motesharezadeh, E. Fathi F. Mirzaei, M. Parsinejad P. Ahmadi

Using plants for the remediation of soils contaminated with heavy metals is an economical, cheap, and effective strategy. The goal of this research was to study the effect of sewage sludge and drought stress on the remediation of cadmium in soil, root uptake by corn plant. This study was carried out on corn in factorial design experiment based on completely randomized design with three replicat...

ژورنال: مرتع 2020
, , Karimian, Aliakbar, Matinizadeh, Mohammad, Rad, MohammadHadi, Sabagh, Kazem,

Among the environmental barriers to plant growth and yield, drought, an icon of arid and semi-arid regions is the most important factor in reducing production. Teucrium polium L. is one of the most important medicinal plants of the family Lamiaceae that exists in these areas. In order to study the effect of drought stress on some physiological and morphological traits of Teucrium polium L., an ...

A. Abbasi A. Javanmard F. Shekari V. Soltaniband

ABSTRACT- To investigate the effect of draught stress on water relations, stomatal density, chlorophyll content and yield of rapeseed, an experiment was done with four levels of drought stress including L1 (Field Capacity, FC), L2 (70% Available Water Content, AWC), L3 (50% AWC), and L4 (30% AWC), within three growth stages- including stem elongation (T1), onset of flowering (T2) and silique fo...

Drought stress is the major problem in arid and semi-arid regions of the world. Investigating the response of different cultivars of crop plants to drought stress can help to select the tolerant ones for agriculture in arid lands. In this study, a greenhouse experiment was conducted as a factorial experiment based on completely randomized design with two common bean cultivars (Phaseolus vulgari...

Journal: Desert 2018
A. Tehranifar, F. Kazemi F. Nematollahi Gh.A. Ghazanchian S.H. Nemati

     Developing strategies to tackle water stress in lawns in arid climate regions is significantly important. In such conditions, using growing media amendments as well as native plants can relieve drought stress in different growing stages of the plants. This study was carried out to investigate the effects of some types of soil amendments on the emergence and early seedling establishment of ...

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