نتایج جستجو برای: to formulate sustainable agricultural systems

تعداد نتایج: 10927376  

پایان نامه :وزارت علوم، تحقیقات و فناوری - دانشگاه صنعتی خواجه نصیرالدین طوسی - دانشکده مهندسی برق و کامپیوتر 1391

many mobile and off-grid devices include electronics and other electrical consumers like servo drives, which need a quite low supply power. since the price for photovoltaic modules drops continuously, photovoltaic power supply is interesting in more and more applications. in solar powered systems, a battery is needed to store energy for the night and cloudy periods. the power electronics of suc...

Coastal areas usually involves in several kinds of water use, such as agricultural, industrial, and drinking, which are needed to be considered as important in water management systems. There is a need to study the sustainable water resources management in different terms. A combined methodology, which considers the human activities, as well as environmental problems according to some criteria,...

Journal: :Philosophical transactions of the Royal Society of London. Series B, Biological sciences 2008
Jingzhu Zhao Qishan Luo Hongbing Deng Yan Yan

This paper introduces the concepts and aims of sustainable agriculture in China. Sustainable agricultural development comprises sustainability of agricultural production, sustainability of the rural economy, ecological and environmental sustainability within agricultural systems and sustainability of rural society. China's prime aim is to ensure current and future food security. Based on projec...

Activities to reduce soil erosion, soil fertility and increasing agricultural production and finally crop income have considered fundamental in the implementation of sustainable agriculture in Iran. This research investigates the effects of no-till (NL) technology to reduce soil erosion and increasing agricultural income and eventually for achieving sustainability. Data were collected through q...

پایان نامه :وزارت علوم، تحقیقات و فناوری - دانشگاه تربیت مدرس 1389

growing demands and requires of high data rate systems cause significant increase of high frequency systems for wideband communication applications. as mixers are one of the main blocks of each receivers and its performance has great impact on receiver’s performance; in this thesis, a new solution for ku-band (12-18 ghz) mixer design in tsmc 0.18 µm is presented. this mixer has high linearity a...

2017
Simon Attwood Natalia Estrada Carmona Fabrice DeClerck Sylvia Wood Francesca Beggi Devendra Gauchan Keyu Bai Maarten van Zonneveld

> Agricultural biodiversity is used by rural communities worldwide in many time-tested practices that can confer increased resilience to farms, communities and landscapes. Using it more effectively and more sustainably can help to maintain and increase the flow of services and benefits agricultural biodiversity provides to communities. Using biodiversity to provide multiple services in sustaina...

2015
Bruno Basso

The Green Revolution, through the adoption of new crop varieties, irrigation, and agrochemicals, saved about 1 billion people from famine by increasing global food production (FAO 2011). We now recognize that these enormous gains in agricultural production were accompanied by harm to agriculture’s natural resource base, jeopardizing our future ability to meet human food, fuel, and fiber needs f...

Journal: :تحقیقات اقتصاد و توسعه کشاورزی ایران 0
آصف کریمی دانشجوی دکتری دانشکدۀ اقتصاد و توسعۀ کشاورزی دانشگاه تهران ایرج ملک محمدی استاد دانشکدۀ اقتصاد و توسعۀ کشاورزی دانشگاه تهران محمود احمدپور داریانی استادیار دانشکدۀ کارآفرینی دانشگاه تهران احمد رضوانفر استاد دانشکدۀ اقتصاد و توسعۀ کشاورزی دانشگاه تهران

the purpose of this study was to investigate the influence of entrepreneurship on organizational outcomes agricultural extension in the context of agricultural sustainable development. this paper aimed to identify the key dimensions of entrepreneurship and determine how these dimensions influence the outcomes of agricultural extension organizations in the context of agricultural sustainable dev...

Journal: :European Review of Agricultural Economics 2023

Abstract Digitalisation is rapidly transforming the agri-food sector. This paper investigates emerging opportunities, challenges and policy options. We show that digital innovations can contribute to more sustainable resilient agricultural systems. For example, enable increased productivity, reduced environmental footprints higher resilience of farms. However, these optimistic outcomes increasi...

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