نتایج جستجو برای: main root length and diameter
تعداد نتایج: 16892373 فیلتر نتایج به سال:
In order to simulate different methods of deficit irrigation through saline tension application, on physical characteristics of Caopea been roots, a study was carried out in Sari Agricultural Sciences and Natural Resources University greenhouse. The research was carried out in 2001, in completely randomized block with 5 treatments and 3 replications and under hydroponic cultivation under Hoglan...
a pot experiment laid out in factorial arranged in completely randomized design with three replications was implemented to evaluate the effects of seed priming in ameliorating salinity stress in sesame (sesamum indicam l.) during seedling development and the early vegetative growth. factors included five priming treatments : control (non priming) , hydropriming, halopriming with nacl, kcl , cac...
در این پایان نامه متر های ریشه -mام انیشتینی را مورد بررسی قرار داده و نشان می دهیم که اگر f یک متر انیشتینی ریشه -mام باشد ، یعنی ric=(n -1 ) kf*f که در آن k یک تابع اسکالر می باشد ،آنگاهk=0 لذا ric=0. همچنین این خاصیت را برای متر های ریشه m-ام انیشتن ضعیف شده مورد بررسی قرار می دهیم. لازم به ذکر است مطالب ذکر شده از مقاله زیر است: y. yu and y. you, on einstein m-th...
in order to evaluate the effect of different levels of drought stress and nitrogen fertilizer on growth of strawberry plants, present study was conducted in the mazandaran province in 2010. experiment was carried out as factorial based on randomized complete block design with three replications. drought stress treatments (30, 50 and 70% maximum allowable depletion of moistur (mad)) and nitrogen...
In order to study the effect of drought stress on seedling morpho-physiological traits of alfalfa (Medicago sativa), the seeds of ten populations were collected in their natural habitats from different parts of the Fars province, Iran in 2013. A factorial experiment was conducted using 10 alfalfa populations and four water stress treatments of 100, 75, 50, and 25% Field Capacity (FC) b...
Plant roots are the first parts of plants to face drought stress (DS), and thus root modification is important for plants to adapt to drought. We hypothesized that the roots of arbuscular mycorrhizal (AM) plants exhibit better adaptation in terms of morphology and phytohormones under DS. Trifoliate orange seedlings inoculated with Diversispora versiformis were subjected to well-watered (WW) and...
objective: drought stress is most important factor which reduce root and shoot growth in crops. this study was performed in order to evaluate the effects of drought stress and zn fertilizer on root traits of four cultivars of chickpea. methods: experiment was laid out in a split plot-factorial using randomized complete block design with three replications. drought stress treatment stand in main...
This study was conducted to evaluate drought resistance of milk thistle (Silybum marianum L.) at seedling stage. The experiment was designed as a split plot in a randomized complete block design. Treatments were combination of drought stress levels as main plots and different milk thistle ecotypes as subplot layouts replicated 3 times and run in a hydroponic system. Root length, root volume, ch...
AIM To compare the apical fit in two dimensions of the first K-file versus the first Lightspeed LSX instrument binding at working length after an initial crown-down preparation. METHODOLOGY Twenty maxillary molars with fully developed roots and four separate root canals were selected. Canals were pre-flared with ProFile.04 taper instruments to three quarters of estimated working length. Worki...
abstract over the past two decades, applied linguists and language teachers have shown a great deal of interest in genre-centered approaches , mainly because of pedagogic concerns . this has been due to the need to help non-native readers enhance their ability to understand academic and scientific texts. following swales’ (1981) works on genre analysis, studies of different sections of resear...
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