نتایج جستجو برای: 50 n50 and 75 n75 kg ha

تعداد نتایج: 16926236  

سیدشریفی, رئوف, نعمتی , علیرضا ,

In order to study the effects of nitrogen application rate and timing on grain yield, phyllochron and leaf appearance rate 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, Ardabil, Iran during 2009 growing season. Nitrogen rates were arranged in main plot w...

Journal: :Environmental science & technology 2012
Adi Radian Yael Mishael

Pyrene removal by polycation-montmorillonite (MMT) composites and granulated activated carbon (GAC) in the presence of humic acid (HA) was examined. Pyrene, HA, and sorbent interactions were characterized by FTIR, fluorescence and zeta measurements, adsorption, and column filtration experiments. Pyrene binding coefficients to the macromolecules were in the order of PVPcoS (poly-4-vinylpiridine-...

Journal: :علوم گیاهان زراعی ایران 0
علی نخ زری مقدم استادیار، گروه تولیدات گیاهی، دانشگاه گنبد کاووس غلامعلی نورا مدیر جهاد کشاورزی گنبد کاووس علی راحمی کاریزکی استادیار، گروه تولیدات گیاهی، دانشگاه گنبد کاووس

in order to study the effect of planting pattern and nitrogen application on barley and faba bean yield and quality of forage in intercropping, an experiment was conducted on farm of agricultural and natural resources faculty of gonbad kavous university as factorial based on rcbd with three replications in 2012-2013. planting pattern consisted of five levels, i.e. sole barley, intercropping of ...

Journal: :علوم گیاهان زراعی ایران 0
وحید محمدی دانشجوی دکتری، گروه زراعت، دانشکدۀ کشاورزی، دانشگاه زابل جعفر کامبوزیا دانشیار، کشاورزی اکولوژیک، پژوهشکدۀ علوم محیطی، دانشگاه شهید بهشتی، تهران اسکندر زند استاد، بخش تحقیقات علف های هرز، مؤسسۀ تحقیقات گیاه پزشکی کشور، تهران سعید صوفی زاده استادیار، کشاورزی اکولوژیک، پژوهشکدۀ علوم محیطی، دانشگاه شهید بهشتی، تهران سجاد رحیمی مقدم دانشجوی دکتری کشاورزی اکولوژیک، پژوهشکدۀ علوم محیطی، دانشگاه شهید بهشتی، تهران

in order to study the competition effects of redroot pigweed (amaranthus retroflexus) and millet (panicum miliaceum) on maize performance under different rates of n fertilizer, a field experiment was conducted in 2009 in the research fields of tarbiat modares university in tehran as a randomized complete block design with factorial arrangement of treatments and three replications. accordingly, ...

Journal: :International Journal of Plant and Soil Science 2023

An experiment was conducted at research field of Deendayal Upadhyay Centre Excellence for Organic Farming, CCS HAU, Hisar during the year 2021-22 to study effect different irrigation levels and mulching methods on performance organically cultivated drip irrigated papaya. The comprised nine treatments three viz. 50%, 75% 100% crop water requirement methods. results showed that plant height (238 ...

2012
David R. Bryla Bernadine C. Strik M. Pilar Bañados Timothy L. Righetti

A study was done to determine the macroand micronutrient requirements of young northern highbush blueberry plants (Vaccinium corymbosum L. ‘Bluecrop’) during the first 2 years of establishment and to examine how these requirements were affected by the amount of nitrogen (N) fertilizer applied. The plants were spaced 1.2 · 3.0 m apart and fertilized with 0, 50, or 100 kg ha of N, 35 kg ha of pho...

آزاد, مسعود, ایزدی دربندی, ابراهیم , راشد محصل, محمد حسن,

In order to study the effect of soil nitrogen content and water hardness on glyphosate efficacy on common lambsquart control, an experiment was carried out as a completely randomized design in a factorial arrangement with three replications in 2011 at the College of Agriculture, Ferdowsi University of Mashhad. Experimental treatments were included soil nitrogen content at 5 levels (0, 50, 90, 2...

Journal: :تحقیقات مهندسی کشاورزی 0
فرزاد گودرزی عضو هیئت علمی بخش تحقیقات فنی و مهندسی مرکز تحقیقات کشاورزی و منابع طبیعی استان همدان

a field investigation was conducted to evaluate the effect of n and k fertilizers on qualitative and quantitative changes of potato tubers during five months of storage. this study was carried out in three replications at five levels (0, 60, 120, 180 and 240 kg/ha) of nitrogen and three levels (0, 75 and 150 kg/ha) of potassium fertilizer during 2004-2006. measurements were recorded monthly. th...

2016
A. D. BLACK T. P. RYAN - SALTER

The productivity of a perennial lupin/cocksfoot mix was compared to that of lucerne in summer dry conditions at Lincoln University, Canterbury, New Zealand. The pastures were planted in December 2013 and rotationally grazed by ewe lambs in autumn 2014 (Year 1), and by ewe hoggets in spring-summer and ewe lambs in autumn of 2014/2015 (Year 2) and 2015/2016 (Year 3). For lupin/cocksfoot relative ...

Journal: :International Journal of Enviornment and Climate Change 2023

A field study was taken up to evaluate the influence of organic sources nutrients and inorganic fertility levels in aerobic rice during kharif 2017 2018 at Indian Institute Rice Research, Rajendra Nagar, Hyderabad, Telangana. The experiment laid out split plot design with three replications. treatment comprised M1: Neem leaf manure 6 t ha-1; M2: Vermicompost 2 M3: Goat 5 M4: Microbial consortia...

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