نتایج جستجو برای: water deficit management

تعداد نتایج: 1419049  

Journal: :علوم گیاهان زراعی ایران 0
مهدی سیدان جاسبی دانشجوی کارشناسی ارشد گروه زراعت و اصلاح نباتات، دانشکدۀ کشاورزی، دانشگاه صنعتی اصفهان پرویز احسان زاده دانشیار گروه زراعت و اصلاح نباتات، دانشکدۀ کشاورزی، دانشگاه صنعتی اصفهان

investigation of physiological responses to water deficit in sesame (sesamum indicum l.) genotypes can help to identify effective mechanisms of plant resistance to stress. therefore, chlorophyll content, proline, soluble carbohydrates, net photosynthesis rate, stomatal conductance, maximum quantum efficiency (fv/fm), plant height and shoot dry weight in a complete block factorial pot experiment...

Journal: :پژوهش های تولید گیاهی 0
مونا پوردهقان دانشجوی کارشناسی ارشد زراعت دانشگاه تربیت مدرس سید علی محمد مدرس ثانوی استاد گروه زراعت دانشگاه تربیت مدرس فائزه قناتی دانشیار دانشکده علوم گیاهی، دانشگاه تربیت مدرس سمیه کرمی دانشجوی کارشناسی ارشد زراعت دانشگاه تربیت مدرس

in order to investigate the effect of hexaconazole (hex) on the increasing tolerance to water deficit stress of two soybean (glycine max l.) cultivars, an experiment was conducted in faculty of agronomy of tarbiat modares university as factorial experiment in randomized complete block design arrangement. factors examined in this study were included soybean cultivars (l17 and clark63), hex conce...

رضایی, محمد, سرخی لله لو, بهزاد, مجیدی, عزیز, محمدی, سلیمان,

Identification and introduce of high potential and water deficit stress tolerant is one of effective methods that caused to economic production beside other methods of water deficit management. In order to identification of barley lines, 9 barley elite lines and Bahman variety (check) studied under full irrigation and water deficit stress conditions in season cropping years 2013-2015. The resul...

Now days, turf management has encountered with water deficit, mostly due to low precipitation also industrial, agricultural and household demand and consumption. So, the objective of this project was to identify drought tolerance of warm and cool season turfgrass cultivars to different levels of regulated-deficit irrigation. The field experiment was set out in a split-plot based on completely r...

Journal: :آب و خاک 0
وحیدرضا وردی نژاد سینا بشارت هیراد عبقری حجت احمدی

abstract to optimal use of available water, irrigation scheduling is important to over scarcity of water resources in arid and semi-arid area. in this research to estimate of maximum allowable deficit (or: management allowed depletion) and irrigation scheduling of fodder mays based on canopy-air temperature difference, a field study was conducted in agricultural faculty of karaj. the lower limi...

Journal: :journal of rangeland science 2015
jalal barkhordari ali asghar semsar yazdi

monthly discharge is one of the most important factors considered in designs and hydrological works. some watersheds are not equipped with needed hydrometric equipment. in such a case average monthly discharge could be estimated from regional monthly water balance models of representative watersheds. in this study, thornthwaite & mather (tm) model were used in the pishkouh watershed in arid...

Coastal areas usually involves in several kinds of water use, such as agricultural, industrial, and drinking, which are needed to be considered as important in water management systems. There is a need to study the sustainable water resources management in different terms. A combined methodology, which considers the human activities, as well as environmental problems according to some criteria,...

Journal: :تحقیقات مهندسی کشاورزی 0
نیازعلی ابراهیمی پاک استادیار بخش آبیاری و فیزیک خاک مؤسسه تحقیقات خاک و آب ابراهیم پذیرا استاد دانشگاه آزاد اسلامی واحد علوم و تحقیقات تهران

this study was conducted to evaluate the impact of deficit irrigation and growth stages on yield and yield components of potatoes and water use efficiency. a field experiment was conducted at shahrekord agricultural research station over three years of crop seasons using a randomized complete block design with three replications. plots were assigned to five levels of deficit irrigation treatmen...

2017
Minxue He Michael Anderson Christina Anagnostopoulou

California experienced an extraordinary drought from 2012–2015 (which continues into 2016). This study, from an operational perspective, reviewed the development of this drought in a hydroclimatic framework and examined its characteristics at different temporal and spatial scales. Observed and reconstructed operational hydrologic indices and variables widely used in water resources planning and...

Journal: :desert 0

abstract seed germination is an important phase of plant development during which soil water availability is crucial. salinity can affect seed germination in two ways: 1) change of osmotic potential of available water, 2) toxicity effects. in this experiment, interactive effects of salinity and water deficit on germination criteria of two species of a, littoralis and a. logopoides were studied ...

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