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Exibindo 61 - 70 de 115
Publicação revisada por pares
Janeiro 2018
Global

The development of the Yangtze River Economic Belt (YREB) is an important national regional development strategy and a strategic engineering development system.

Publicação revisada por pares
Janeiro 2018
Global

Cultivated land is an important carrier of grain production, and scientific assessing of cultivated land productivity is of great significance to ensure food security. This paper assessed the overall productivity of cultivated land in Yuanjiang city from the perspectives of quantitative structure, spatial distribution and correlation with national land use.

Publicação revisada por pares
Janeiro 2018
Global

Information communication technology (ICT) has changed the traditional agricultural extension service mode worldwide. This paper examines the effects of the Rural Distance Education Project (RDEP) on the household income, agricultural productivity, and off-farm employment of farmers in peri-urban areas in Beijing.

Publicação revisada por pares
Janeiro 2018
China

In modern sustainable agriculture, green manuring is increasingly emphasized for a reasonable land use management. However, the expansion of green manure is affected by a range of factors, such as soil geophysical properties and human intervention.

Publicação revisada por pares
Janeiro 2018
Argentina

The livestock sector can be a major contributor to the mitigation of greenhouse gas (GHG) emissions. Within the sector, beef production produces the largest proportion of the livestock sector’s direct emissions.

Publicação revisada por pares
Janeiro 2018
Brasil

Important among global issues is the trilemma of abrupt climate change, food insecurity, and environmental degradation. Despite the increasing use of fossil fuel, about one third of global C emissions come from tropical deforestation and indiscriminate use of agricultural practices. Global food insecurity, affecting one in seven persons, aggravates environmental degradation.

Artigos e Livros
Dezembro 2017
Global

In the last decade, there have been a number of global/regional targets and initiatives to halt and reverse land degradation and restore degraded land.

Artigos e Livros
Dezembro 2017
Global

The pressure on land is growing in many regions of the world, due to the increasing demand for arable crops, meat and dairy products, bio-energy and timber, and is exacerbated by land degradation and climate change.

Publicação revisada por pares
Março 2017
África
América do Sul
América Central
Ásia

Improving land productivity is essential to meet increasing food and forage demands in hillside and mountain communities. Tens of millions of smallholder terrace farmers in Asia, Africa, and Latin America who earn $1-2 per day do not have access to peer-reviewed knowledge of best agronomic practices, though they have considerable traditional ecological knowledge.

Publicação revisada por pares
Janeiro 2017
China

Farmland abandonment, including perennial and seasonal abandonment, is an important process of land use change that matters most to food security. Although there is a great deal of studies on farmland abandonment, seasonal abandonment, which is as serious as perennial abandonment, has attracted little academic attention.

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