نتایج جستجو برای: nitrogen fertilizer with gwp of 291 kg eq

تعداد نتایج: 22184992  

Journal: :Agronomy 2021

Irrigation systems increase fruit yield of water shortage orchards in semiarid and arid lands, but their environmental impacts remain unclear. This study carries out a comparative cradle-to-gate life cycle assessment (LCA) the furrow drip irrigated pear production Loess Plateau China based on 2009–2018 inventory data from integrated experimental stations. The depletion (WD), footprint (WF), glo...

Journal: :مجله پژوهش های اکوفیزیولوژی گیاهان زراعی 0

abstract in order to assess the environmental impact of agricultural activity, the long-term sustainability should be considered. in order to achieve solutions to reduce energy consumption and carbon emissions in the production of rainfed sunflower, this assessment was conducted in the north east of iran. four production methods, i.e. conventional tillage (ct), tow reduced tillages (rt1and rt2)...

Journal: :مهندسی بیوسیستم ایران 0
محمد داوود حیدری دانشگاه تهران حسین مبلی دانشگاه تهران محمود امید دانشگاه تهران شاهین رفیعی دانشگاه تهران وحید جمالی ماربینی گروه صنعتی و پژوهشی زر

the goal of this study was to analysis the greenhouse gas (ghg) emissions of pasta production. data for this study was collected from durum wheat farms of three provinces of iran. data of soil properties, transportation and pasta factory stages were collected and analyzed, using simapro software, ecoinvent data base and global warming potential (gwp) 100 years method. epic model was used to cal...

Journal: :تولید گیاهان زراعی 0

in this research for study the effects of nitrogen fertilizer on yield and yield components of current rice cultivars was an experiment as factorial in rcbd with three replications where conducted during 2009 year in two locations (rice research institute, rasht, and rudsar, east of guilan). factors were cultivars (khazar, ali kazemi and hashemi), and nitrogen fertilizer levels (0, 30, 60, and ...

Journal: :علوم باغبانی ایران 0
آتنا یزدانی دماوندی دانشجوی ارشد گیلان معظم حسن پور اصیل دانشیار دانشگاه گیلان بابک ربیعی دانشیار دانشگاه گیلان

to evaluate the effect of time and level of nitrogen application on quantity and quality of two carrot varieties, an experiment was carried out in the framework of a 4×3×2 factorial and based upon a randomized complete block design of three replications. the levels of 25, 50, 75 and 100 kg / ha of nitrogen fertilizer were investigated within 3 applied times, namely: simultaneous with bed prepar...

Journal: :Proceedings of the National Academy of Sciences of the United States of America 2013
Wei-Feng Zhang Zheng-Xia Dou Pan He Xiao-Tang Ju David Powlson Dave Chadwick David Norse Yue-Lai Lu Ying Zhang Liang Wu Xin-Ping Chen Kenneth G Cassman Fu-Suo Zhang

Synthetic nitrogen (N) fertilizer has played a key role in enhancing food production and keeping half of the world's population adequately fed. However, decades of N fertilizer overuse in many parts of the world have contributed to soil, water, and air pollution; reducing excessive N losses and emissions is a central environmental challenge in the 21st century. China's participation is essentia...

The experiment was completed to evaluate the responses of forage yield and silage quality of dual-purpose corn hybrids to urea fertigation. For this purpose, two studies were conducted each as a split plot experiment based on a randomized complete block design with three replications at two locations in research farms of College of Agriculture, Isfahan University of Technology, Isfahan, Iran, i...

Journal: :Environmental progress & sustainable energy 2021

The environmental impacts associated with the intensification of agricultural practices have become an emerging issue, and new techniques are being developed to satisfy public demands. application fertilizers is a crucial step for agriculture practices. Building upon previous studies at Mediterranean basin, objective research presented herein was quantify greenhouse gas emissions four different...

ژورنال: علوم آب و خاک 2016
شایان‌نژاد, محمد, صادقی لاری, عدنان, عابدی کوپایی, جهانگیر, متین‌زاده, محمدمهدی, نوذری, حامد,

In this research, a comprehensive simulation model for water cycle and the nitrogen dynamics modeling including all the important processes involved in nitrogen transformations such as fertilizer dissolution, nitrification, denitrification, ammonium volatilization, mineralization, immobilization as well as all the important nitrogen transportation processes including nitrogen uptake by the plan...

Journal: :تولید گیاهان زراعی 0
هدی آبادیان دانشجوی دانشجوی دکترای دانشگاه آزاد اسلامی واحد تبریز همت اله پیردشتی معاون پژوهشکده مهرداد یارنیا عضو هیئت علمی دانشگاه آزاد اسلامی واحد تبریز رحمت عباسی استادیار گروه زراعت و اصلاح نباتات، دانشگاه علوم کشاورزی و منابع طبیعی ساری فرهاد فرح وش عضو هیئت علمی دانشگاه آزاد اسلامی واحد تبریز

to investigate the effects of intercropping of basil (ocimum basiilicum l.) and cowpea (vigna unguiculata l.), different levels of nitrogen fertilizers on basil and cowpea yield, an experiment was carried out during 2010 and 2011. experimental factor were included weed treatment (weeding and unweeding), three levels of nitrogen fertilizer (0, 50 and 100 kg ha-1), different planting ratio, (p1: ...

نمودار تعداد نتایج جستجو در هر سال

با کلیک روی نمودار نتایج را به سال انتشار فیلتر کنید