نتایج جستجو برای: water requirement

تعداد نتایج: 712466  

ژورنال: علوم آب و خاک 2018

Factor analysis is one of the multivariate statistical techniques that considers the interrelationships between apparently irrelevant variables and helps researchers to find the hidden reasons for the occurrence of an event. In order to evaluate the effects of different irrigation levels and humic acid foliar application and identify the factors affecting water use efficiencies of sesame (Sesam...

Ali Neshat Atefeh Afshar,

The agricultural regions are running into difficulties, which are restrictive availability of water, successive appearing draughts, and overuse of ground water resources for supplemental water requirements. As a sample which is got from the farm is sent to the laboratory for testing and the laboratory works need devices. Hence, conducting farm experiments are expensive and time consuming to opt...

حمیدرضا فولادمند, , سید حمید احمدی, , جانب ا... نیازی, , ژاله وزیری, ,

A research was conducted in Fars province Agricultural Research Center in Zarghan area from 1999 to 2002 to determine the water requirement and crop coefficient of wheat, applying lysimeter. The results indicated that the water requirements of wheat were 720, 712 and 674 mm in the years of 1999-2000, 2000-2001 and 2001-2002, respectively. Using Penman-Monteith method for estimating reference ...

Journal: :به زراعی کشاورزی 0
افسانه بدل زاده دانشجوی فارغ التحصیل کارشناسی ارشد زراعت، دانشکده کشاورزی، دانشگاه شهرکرد محمد رفیعی الحسینی استادیار گروه زراعت، دانشکده کشاورزی، دانشگاه شهرکرد عبدالرزاق دانش شهرکی استادیار گروه زراعت، دانشکده کشاورزی، دانشگاه شهرکرد مهدی قبادی نیا استادیار گروه آب، دانشکده کشاورزی، دانشگاه شهرکرد

in order to evaluate the effect of water deficit and different fertilizer levels on yield and some agro-morphological characteristics of moldavian balm, a split plot experiment was conducted in a randomized complete block design with three replications at the research farm of shahrekord university during 2013-2014 growing season. main factor was three levels of irrigation regimes including: 100...

Journal: :پژوهش های زراعی ایران 0
شیرین قاضیان تفریشی امیر آینه بند حسین توکلی سعید خاوری خراسانی محمد جلینی

a randomized complete block design with four replications and a split plot arrangement was conducted in 2010, in order to study the effect of limited irrigation on yield and yield component of sweet corn. water levels were (100%, 80%, and 60% replacement of plant water requirement) which served as main plots. subplot was a factorial arrangement of three different sweet corn varieties (merit, ob...

Journal: :چغندرقند 0
علی جلیلیان هیات علمی مرکز تحقیقات کشاورزی کرمانشاه علیرضا شیروانی هیات علمی مرکز تحقیقات کشاورزی کرمانشاه عادل نعمتی هیات علمی مرکز تحقیقات کشاورزی کرمانشاه جهانشاه بساطی هیات علمی مرکز تحقیقات کشاورزی کرمانشاه

one of the biggest barriers for agricultural production in iran is water deficit. however, certain optimum approaches for water application can solve this problem. deficit irrigation technique is an approach that could have a better and economic use of water in agriculture. in this regard, a research with three factors including two irrigation intervals of 8 and 12 days, two nitrogen fertilizer...

Deficit Irrigation (DI) is a fundamental solution for efficient water use in irrigated lands under conditions of water scarcity. The aim of the present study was to evaluate the potential for water saving and yield improvements of two greenhouse tomato cultivar (Shaqayeq and Shahrzad) with use of three DI treatment ,50, ,75, and ,100, percent of full irrigation along with surface and subsurface...

Journal: :Korean Journal of Soil Science and Fertilizer 2012

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