نتایج جستجو برای: agricultural systems

تعداد نتایج: 1272109  

Journal: :Geographical Review of Japan 1970

Journal: :IOP Conference Series: Earth and Environmental Science 2019

2013
N. Shalal T. Low C. McCarthy N. Hancock

Mobile robots operating in agricultural environments have been a significant subject for researchers. The rapid advancement in communication, sensors and computing technologies has provided important progress in the field of agricultural autonomous robot guidance systems. Automated agricultural robots save labour costs, prevent people from performing risky operations, and provide the farmer wit...

پایان نامه :وزارت علوم، تحقیقات و فناوری - دانشگاه شهید باهنر کرمان - دانشکده ریاضی و کامپیوتر 1389

چکیده در این پایاننامه ابتدا فضاهای متریک فازی را به صورت مشاهدهگرایانه بررسی میکنیم. فضاهای متریک فازی و توپولوژی تولید شده توسط این متریک معرفی شدهاند. سپس بر اساس فضاهایی که در فصل اول معرفی شدهاند آشوب توپولوژیکی، مینیمالیتی و مجموعههای متقاطع در شیوههای مختلف بررسی شده- اند. در فصل سوم مفهوم مجموعههای جاذب فازی به عنوان یک مفهوم پایهای در سیستمهای نیم-دینامیکی نسبی، تعریف شده است. ...

Journal: :تحقیقات اقتصاد و توسعه کشاورزی ایران 0
مرضیه کشاورز دانشگاه پیام نور معصومه مویدی دانشگاه شیراز

climate is changing and various scenarios indicate accelerated climate change in the future. if farmers and rural residents’ capacities do not enhance to adapt to the impacts of climate change, the impacts will overwhelm on agriculture and rural communities. extension systems can play an important role in agricultural adaptation to climate change. therefore, the aim of this research was to expl...

2017
Wenjun Jiao

Food and Agriculture Organization of the United Nations launched a global partnership initiative for the conservation and adaptive management of Globally Important Agricultural Heritage Systems (GIAHS) in 2002. China is one of the first countries that responded to the GIAHS initiative, witnessed by the designation of Qingtian Rice-Fish Culture by FAO in June 2005. It is also the first country t...

2017
Yu-Pin Lin Chihhao Fan Joy R. Petway Wan-Yu Lien Chiu-Ping Liang Andrew Millington

In order to guarantee high-quality agricultural products and food safety, efforts must be made to manage and maintain healthy agricultural environments under the myriad of risks that they face. Three central system components of sustainable agricultural management schemes are real-time monitoring, decision-making, and remote access. Information and Communications Technology (ICT) systems are a ...

Journal: :تحقیقات آب و خاک ایران 0
علیرضا خداشناس دکتری، مرکز تحقیقات کشاورزی و منابع طبیعی خراسان رضوی علیرضا کوچکی استاد، دانشگاه فردوسی مشهد پرویز رضوانی مقدم استاد، دانشگاه فردوسی مشهد امیر لکزیان دانشیار، دانشگاه فردوسی مشهد مهدی نصیری محلاتی استاد، دانشگاه فردوسی مشهد

soil quality is the most suitable index to an assessment of the stability of terrestrial ecosystems, especially agro-ecosystems. to determine the effects of agricultural practices on soil organic matter, species richness and abundance of soil invertebrates, a study was conducted in three regions of razavi and northern khorasan provinces, iran. soil were taken from in each winter wheat field of ...

Journal: :Expert Syst. Appl. 2012
Khaled F. Shaalan Ashraf Hendam Ahmed A. Rafea

The present work reports our attempt in developing an English–Arabic bi-directional machine translation tool in the agriculture domain. It aims to achieve automated translation of agricultural expert systems. In particular, we describe the translation of domain knowledge base, including, prompts, responses, explanation text, and advices. In the Central Laboratory for Agricultural Expert Systems...

Journal: :Environmental Modelling and Software 2015
Dean P. Holzworth Valerie O. Snow Sander Janssen Ioannis N. Athanasiadis Marcello Donatelli Gerrit Hoogenboom Jeffrey W. White Peter J. Thorburn

During the past decade, the application of agricultural production systems modelling has rapidly expanded while there has been less emphasis on model improvement. Cropping systems modelling has become agricultural modelling, incorporating new capabilities enabling analyses in the domains of greenhouse gas emissions, soil carbon changes, ecosystem services, environmental performance, food securi...

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