نتایج جستجو برای: peak water requirement

تعداد نتایج: 842748  

ژورنال: علوم آب و خاک 2014
اسلامیان, سید سعید , حسینی, یاسین , خواجه علی, جهانگیر , صالحی سیرزار, مژگان , عابدی کوپایی, جهانگیر ,

In order to investigate the effect of pest and water stresses on different growing stages of cowpea (Vigna sinensis) and pest occurrence, an experiment was conducted in Khazaneh Research station of Isfahan University of Technology. The experiment was carried out in a factorial complete randomized block design, in two different farms, with and without insecticide application. The treatments incl...

Journal: :چغندرقند 0
محمدرضا میرزایی مربی پژوهشی مرکز تحقیقات کشاورزی و منابع طبیعی همدان علی قدمی فیروزآبادی مربی پژوهشی مرکز تحقیقات کشاورزی و منابع طبیعی همدان

water is the most important factor for agriculture development in iran. accordingly the optimal consumptione of water is very important. using pressurized irrigation system is one of the methods to improve agricultural water management. the objecttives of this research were to compare two irrigation methods of furrow and trickle irrigation systems impacts on quantity and quality characters of s...

Mehrdad Esfandiari Navid adibifard S.R. Hassanpour Avanji Zohreh Baniabbass,

Today climate change is one of the most important human concerns This fact affected human life in different ways .  one of the most important impacts of climate change is on crops yield so that change in temperature  regime  particularly maximum and minimum  temperatures  is noticeably change plants production . in this research , is considered to  impact of climate change on water requirement ...

D. Yared H. Tilahun H. Watanabe T. Kassu,

Poor irrigation water management is one of the major factors limiting crop production inEthiopia. This study was, therefore, conducted at three different locations in the southeasternEthiopia for 2 consecutive years to investigate the effects of different irrigation depths andintervals with furrow irrigation system on tuber yield, biomass yield and water use efficiency ofpotato. The treatments ...

ژورنال: مواد پرانرژی 2013

Generally, storage long time gun propellants cause negative ballistic effects. thus, retain ballistic stability of gun propellants during storage is one of the requirement new gun propellants. in this paper, deals with the ballistic stability conventional and new gun propellants. Therewithal, effective factors on ballistic stability and changing ballistic parameters (muzzle velocity & peak pres...

زاهدی, مرتضی, قیصری, مهدی, مقامی, راضیه,

An experiment was conducted to evaluate the effects of different levels of nitrogen and irrigation on yield and yield components of safflower. Three nitrogen rates (0, 50 and 100 kg ha-1) under three irrigation levels (100% as control 80% as mild limited irrigation, and 60% of crop water requirement as severe limited irrigation) were investigated using a factorial laid out in a randomized comp...

Journal: :پژوهش آب در کشاورزی 0
سید حسن طباطبائی دانشیار گروه مهندسی آب، دانشکدهکشاورزی، دانشگاه شهرکرد. سارا مردانی نژاد دانشجوی کارشناسی ارشدآبیاری و زهکشی، دانشکده کشاورزی، دانشگاه همدان. حمید زارع ابیانه دانشیار گروه مهندسی آب، دانشکده کشاورزی، دانشگاه همدان.

the present research was conducted to study the effect of irrigation treatments on growth indices, yield, and water use efficiency of long green pepper (capsicum annuum l.) at the research greenhouse of shahrekord university. this experiment was done in a clay-loam soil using randomized design with four treatments i.e. 40%, 60%, 80%, and 100 percent of water requirement and three replications, ...

ژورنال: علوم آب و خاک 2018

With the increase of population, the optimal use of water resources is necessary. This study was carried out to evaluate the impact of different levels of irrigation on the yield, yield components and water productivity of corn using single and double row drip irrigation systems (Tubes type). . The experiment was conducted in a split plot design based on the randomized complete block design (RC...

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