نتایج جستجو برای: agricultural use

تعداد نتایج: 1824433  

2008
Chun Chang Guojian Xian Guangda Li

We have been in a web information stage, by new information management technologies, we can get better agricultural development. The paper introduces the research work on agricultural thesaurus and ontology; it could improve the agricultural information retrieval. Main work include to convert Chinese Agricultural Thesaurus (CAT) to the agricultural ontology, this can use traditional domain know...

2002
Indur M. Goklany

Globally and in the United States, agriculture is the major user not only of water but also of land. This paper compares trends in aggregate and per capita water and land use by the agricultural sector in the United States and the world during the 20 century. It finds that although cropland use per capita has been declining in both areas since the early 1900s, agricultural water use per capita ...

The cell phone is one of the potential Information Communication Technologies (ICTs) in agricultural development especially in developing countries like Bangladesh. Thus, this paper deals with the farmers’ communication with the agricultural extension agents using mobile phone. The study was conducted in Mymensingh District in Bangladesh. Data were collected from a sample of 110 farmers while b...

The world is witnessing a dramatic shift of settlement pattern from rural to urban population, particularly in developing countries. The rapid Addis Ababa urbanization reflects this global phenomenon and the subsequent socio-economic and environmental impacts, are causing massive public uproar and political instability. The objective of this study was to use remotely sensed Landsat data to iden...

2015
Emily Grman John L. Orrock Christopher W. Habeck Lars A. Brudvig

Agricultural land use commonly leaves a persistent signature on the ecosystems that develop after agricultural abandonment. Th is agricultural legacy limits the biodiversity supported by post-agricultural habitats compared to remnant habitats that have never been used for agriculture. In particular, beta diversity (variation in community composition across space) at both large and small spatial...

Journal: :international journal of agricultural science, research and technology in extension and education systems 2014
nlerum f.e onowu e.o.

the study examined the role of information communication technologies in extension delivery of agricultural transformation agenda (ata) of nigeria.  the objectives were to: examine the agricultural extension delivery of ata; identify icts relevant in agricultural extension and application of ata; examine roles of icts in extension of ata and identify constraints to the use of icts in extension ...

The problem of food security during the last few decades has acquired a global character. Population growth, reduction of farmland suitable for agriculture and ecological factors has led to a sharp increase in food demand. In such conditions, the role of countries which are able to increase the export of agricultural production in short-term periods is rising. Ukraine has great opportunities fo...

Journal: :Advances in biochemical engineering/biotechnology 2007
Philipp Aerni

The theory of neoclassical welfare economics largely shaped international and national agricultural policies during the Cold War period. It treated technology as an exogenous factor that could boost agricultural productivity but not necessarily sustainable agriculture. New growth theory, the economic theory of the new knowledge economy, treats technological change as endogenous and argues that ...

Journal: :Environmental Modelling and Software 2007
Uday Bhaskar Nidumolu Herman Van Keulen Marcel Lubbers Andrew Mapfumo

An Interactive Multiple Goal Linear Programming (IMGLP) model is developed that considers objectives of multiple stakeholders, i.e. different farmer groups, district agricultural officers and agricultural scientists for agricultural land use analysis. The analysis focuses on crop selection; considering irrigated and non-irrigated crops such as rice, sugarcane, sorghum, cotton, millet, pulses an...

Journal: :اقتصاد و توسعه کشاورزی 0
ندا اسد فلسفی زاده محمود صبوحی صابونی

climate change phenomenon is an important environmental challenge of the world that has increased its speed with the increasing extension of greenhouse gases and remote relationship phenomena. changes in precipitation level, drought occurrence and in the level of surface and groundwater resources are the recognized consequences of climate change. in order to study climate change phenomenon cons...

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