نتایج جستجو برای: static and dynamic deficit irrigation

تعداد نتایج: 16914060  

Effect of deficit irrigation on evapotranspiration, yield, water use efficiency and some growth parameters of Hamadanian pepper (Bivar) using a completely randomized design (CRD) with a full irrigation treatment (FI) and three deficit irrigation treatments (85, 70 and 55% application of water requirement; DI85, DI70, and DI55, respectively) in five replications was examined. Evapotranspiration ...

2014
Nahid Niari Khamssi

Anethum graveolens Linn. (Umbelliferae, A. graveolens) is a widely used spice with a long history of traditional medicinal use for the treatment of various ailments. The biosynthesis of secondary metabolites in medicinal and aromatic plants is affected by abiotic stresses such as water deficit. This study was carried out to evaluate seed yield and essential oil of dill under five irrigation dis...

Drought stress is considered as the most important limiting factor for growing of crops such as maize. Under low irrigation conditions, proper nutrition of plants can improve the effects of drought stress. This experiment was carried out in order to investigate the effect of nutrition management along with application of zeolite on agronomic traits of two hybrids of maize under deficit irrigati...

عالمی‌سعید, خلیل, بخـشنده, عبدالمهدی, بهنام‌فر, کورش, سـیادت, سید عطااله, کاشفی‌پور, سید محمود , ‌اشرف جعفری, علی,

In order to investigate the effect of water deficit on yield and morphological characteristics of four alfalfa cultivars an experiment was conducted as a split plot in randomized complete block design with 3 replications in Agriculture Research Center of Khuzestan, Ahwaz, Iran, during 201l-2012. Main plots included irrigation regimes (normal irrigation, irrigation at 50% available water content...

Abstract: To investigate the effect of nutrition management along with zeolite application on the fertilizer use efficiency and irrigation water productivity of two cultivars of maize under deficit irrigation conditions, a field experiment was carried out. The experiment was conducted at Soil and Water Research Institute, Karaj, Iran, in 2015 and 2016, in the form of a   factorial split plot...

Journal: :researchers in sport science quarterly 2011
s.f mirafzal y sokhanguee h sadeghi

among the deformities of the spine in sagittal plane, kyphosis is one of the most important cases in the study of postural control from the mechanical standpoint because the smallest deviation of upper limb, that is almost 60 percent of total body weight in standing position, causes displacement of body center of mass to forward and finally will causes weaker balance performance in kyphotic ind...

This paper investigates the parametric study of the empty and foam-filled end-capped tubes under quasi static and dynamic loadings. The numerical crash analysis of the empty and foam-filled tubes was performed using the explicit finite element code ABAQUS- explicit. Satisfactory agreements were generally achieved between the numerical and experimental results. In order to determine the crash be...

Journal: :desert 0
h. sarhadi islamic azad university of takestan, qazvin, iran j. daneshian agricultural research, education and extension organization, qazvin, iran s.a. valadabadi islamic azad university of takestan, qazvin, iran h. heidari sharafabad professor, science and research branch, islamic azad university, tehran, iran gh.r. afsharmanesh research, education and natural resources center, southern kerman, iran

for investigation deficit irrigation and nitrogen application effect on nutrients uptake of henna ecotypes, this research was conducted in the form of split-split-plot on the basis of randomized complete block design with four replications in the research field of islamic azad university, jiroft, iran in 2013-2014. the main, sub and sub-sub plot were deficit irrigation (100, 75 and 50% of crop ...

2015
N. R. Modala S. Ale N. Rajan C. L. Munster P. B. DeLaune K. R. Thorp S. S. Nair E. M. Barnes

Cotton is one of the major crops cultivated in the Texas Rolling Plains region, and it is a major contributor to the regional economy. Cotton cultivation in this region is facing severe challenges due to an increase in the frequency of droughts and a projected decrease in rainfall in the future. Development and evaluation of deficit irrigation strategies for this region could potentially conser...

Journal: :iran agricultural research 2015
m. m. moghimi a. r. sepaskhah

abstract- efficient use of irrigation water for summer crops should be considered seriously due to rare occurrence of precipitation in summer. this research was focused on the assessment of water use efficiency for dominant crops of summer cropping pattern in the study area (i.e., maize and rice) via considering water productivity (wp) with different water management scenarios at farm level at ...

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