نتایج جستجو برای: irrigation interval

تعداد نتایج: 240612  

2012
PENNCROSS BENT James B. Beard

Turfgrass évapotranspiration. R. Tovey, J. S. Spencer and D. C. • Muckel. 1969. Agronomy Journal. 61:863-867. (from the University of Nevada, Reno, Ne v. 89507). The lysimeter technique was utilized to measure the rate of évapotranspi ra t ion from two types of turf grown on two different soil textures. The two types of turfgrass were (a) a cool season turf composed primarily of Kentucky bluegr...

2017
Congjuan Li Xiang Shi Osama Abdalla Mohamad Jie Gao Xinwen Xu Yijun Xie

BACKGROUND Water influences various physiological and ecological processes of plants in different ecosystems, especially in desert ecosystems. The purpose of this study is to investigate the response of physiological and morphological acclimation of two shrubs Haloxylon ammodendron and Calligonum mongolicunl to variations in irrigation intervals. METHODOLOGY/PRINCIPAL FINDINGS The irrigation ...

Journal: :آب و خاک 0
رمضانی اعتدالی رمضانی اعتدالی نظری نظری توکلی توکلی پارسی نژاد پارسی نژاد

abstract: deficit irrigation technique can be used for produce more yield for every unit of irrigation water, and cause to increase crop economical benefit. main purpose of deficit irrigation is high water use efficiency with decreasing in irrigation sufficiency. in this research potential of cropwat model in deficit irrigation management for two crops, wheat and barley in karaj climate was stu...

Journal: :آب و خاک 0
کوروش مجد سلیمی فرید باقری سید بابک صلواتیان

abstract in this research we studied the economical effects of rainfed irrigation and 4, 8, 12 and 16 day sprinkler irrigation intervals as well as their effects on water productivity and tea quality. the study was done in fouman tea research station, northern part of iran where tea is a major crop, during growing season of 2002-2004. the results showed that during dry season of 2002 and 2003 y...

Journal: :دانش گیاه پزشکی ایران 0
محمد مجتبی کامل منش استادیار گروه گیاه پزشکی، دانشگاه آزاد اسلامی، شیراز، ایران مریم یارمحمودی دانشجوی سابق کارشناسی ارشد، گروه گیاه پزشکی، دانشگاه آزاد اسلامی، شیراز، ایران

root-knot nemaode which causes extensive damage to legumes and cerealshas beenreported in many countries. the nematods has been observed on legumes, roots in manyregions of the world, causing swollen root and yield reduction. in order to evaluate the effect ofirrigation interval on reproductive traits of root-knot nematode, and the damage inflicteduponnavy bean, a study was conducted in 2011 in...

2000
A. A. Ramalan

A ®eld experiment was conducted during the dry season of 1993/1994 at the Irrigation Research Farm, Institute for Agricultural Research, Samaru, Nigeria to evaluate water management options on the performance of tomato. The trial involved three furrow irrigation methods (conventional furrow, conventional furrow with cutback, and alternate furrow), two mulch treatments (without mulch and straw m...

To investigate the effects of irrigation intervals and humic acid application on some phophysiological and biochemical of thyme (Thymus vulgaris), the experimental in the form of factorial in the design complete randomized block in four replications at Miandoab University Research Field in 2019. Experimental treatments were at four levels of irrigation intervals (once every three days, once eve...

To investigate the effects of organic fertilizers and irrigation frequencies on yield and quality of cherry tomato an experiment was conducted using six fertilizer doses including control (no fertilizer), NPK fertilizer (urea at 300 kg, TSP 200 kg and MoP 250 kg), cow-dung at 5 t ha-1, cow-dung at 10 t ha-1, poultry manure at 5 t ha-1 and poultry manure at 10 t ha-1 with two levels of irrigatio...

Journal: :آب و خاک 0
داوری داوری نعمتی نعمتی قهرمان قهرمان سیاری سیاری شاهین رخسار شاهین رخسار

this experiment was conducted at research greenhouse of college of agriculture, ferdowsi university of mashhad in 1381-1382. the experiment was designed based on the splitted plots in the form of completely randomized design and in four replications. irrigation intervals were in three levels of 12, 4, and 2 times per day at primary plots, and three substrates of new perlite, used perlit, and ri...

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