نتایج جستجو برای: growth yield
تعداد نتایج: 983036 فیلتر نتایج به سال:
Chlormequat chloride (CCC) as one of the most important growth retardants has been used for manipulation of growth and yield of cereal crops; however, the effect of CCC has not yet been well understood under drought stress conditions. Therefore, one greenhouse and a field experiment were conducted to examine the effects of CCC on yield and yield components of wheat in drought conditions at Coll...
This experiment was conducted to evaluate the effect of deficit irrigation on seed yield and its components of sunflower hybrids, and also identify tolerant hybrids. Twelve sunflower hybrids; Farrokh, Shams, Ghasem, Barzegar, G5 ×43, G6×43, Hysun25, Hysun36, Azargol, Sumbro, Euroflor and Sirena were evaluated under three irrigation treatments; normal irrigation (60 mm), mild drought stress (1...
In order to investigate the effects of drought stress and plant density on yield and some physiological characteristics of pinto bean (Phaseolus vulgaris L. cv. C.O.S16), a field experiment was conducted in split plot arrangement based on randomized complete blocks design with three replications at Research Farm of Yasouj University, Yasouj, Iran, in 2010. Treatments were conventional irrigatio...
In order to investigate the effects of rates and nitrogen fertilizer application timing on yield and some growth physiological indices of corn ( Zea mays L.), an experiment was conducted as split plot based on randomized complete block design with three replications at the Research Farm of University of Mohaghegh Ardabili during 2009 cropping season. Nitrogen fertilizer levels were arranged in...
The effects of salinity and supplied calcium chloride on growth and leaf ions concentration of tomato (Lycopersicon esculentum L.) were investigated in Gorgan, Iran. A factorial experiment was conducted based on RCBD with four NaCl levels (0, 50, 100, and 150 mM) and four CaCl2 levels (0, 100, 200 and 300 mg L-1). Data of growth, yield and leaf’s Ca, K, and Na content were subjected to analyze ...
In order to study of quantitative and qualitative yield, chlorophyll content and some growth indices of wheart (Triticum aestivum L.) in response to seed inoculation with plant growth promoting rhizobacteria (PGPR) at different levels of soil salinity, a factorial experiment based on randomized complete block design with three replications was conducted at Research Greenhouse of Faculty of Agri...
Drought stress is the most important limiting factor in crop plants including maize (Zea mays L.), which is the third important world crop after wheat and rice. Water deficiency at different growth stages affects maize yield differently. To examine the response of four maize hybrids to drought stress at different growth stages, a field experiment was carried out as a split plot based on complet...
excessive vegetative growth may bring about improper pollination and consequently lead to reduced fruit set and misshapen fruits. paclobutrazol (pp333) reduces vegetative growth. on the other hand, balanced nutrient uptake at all developmental stages increases fruit quality and yield. an experiment was conducted with the aim of reducing vegetative growth and improving yield of strawberry, selva...
The effect of baffle and vortex agitation system on B. pertussis vaccine strain 509 growth yield was examined in industrial fermentor cultivation used single turbine impeller fixed at the bottom of vessel, which has the provision of growth of the organism under controlled conditions with regard to temperature, pH, aeration and agitation. From this study it was found that the use of baffled syst...
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