Showing 1 - 10 of 33,174
Agricultural nutrients play a critical role in food production and human nutrition in China. Against this backdrop … organic fertilizer use and the level of soil-testing-based fertilizer use by participating farmers is only 1.008% to 1 …
Persistent link: https://www.econbiz.de/10010945659
Soil degradation in India is estimated to be occurring on 147 million hectares (Mha) of land, including 94 Mha from … product and employs about 50% of the total workforce of the country. Causes of soil degradation are both natural and human … wildfires. Human-induced soil degradation results from land clearing and deforestation, inappropriate agricultural practices …
Persistent link: https://www.econbiz.de/10011211011
This paper discusses land-sourced pollution with an emphasis on domestic sewage in the Caribbean in relation to similar issues in the Indian Ocean and Pacific. Starting on a large-scale in the 1980s, tropical Atlantic coastlines of Florida and Caribbean islands were over-developed to the point...
Persistent link: https://www.econbiz.de/10008683173
The Australian National Soil Research, Development and Extension Strategy identifies soil security as a foundation for … attenuated by soil degradation. Future production is highly dependent on the condition of Australian soils. Soil degradation in … Australia is dominated in its areal extent by soil erosion. We reiterate the use of soil erosion as a reliable indicator of soil …
Persistent link: https://www.econbiz.de/10011265941
economically costly concentrate feeds and recycles nutrients back to the soil efficiently, but lowers the rate of beef liveweight … on animal manures, compost and cover crops to increase and maintain soil nitrogen content. Rotational and strip grazing …
Persistent link: https://www.econbiz.de/10011030356
A model of biogas generation was modified and applied to the case of a sanitary landfill in Italy. The modifications considered the role of the temperature field normally established within each layer of waste. It must be pointed out the temperature affects the anaerobic biodegradation kinetics....
Persistent link: https://www.econbiz.de/10011106593
Rice forage systems can increase the land use efficiency in paddy fields, improve the self-sufficient feed ratio, and provide environmental benefits for agro-ecosystems. This system often decreased economic benefits compared with those through imported commercial forage feed, particularly in...
Persistent link: https://www.econbiz.de/10010884950
Life Cycle Assessment (LCA) has been increasingly used to improve the environmental performance of food systems and simplification of LCA appears to be a vital question, especially for Small- and Medium-sized Enterprises (SMEs). Following a literature review on simplified LCA tools and their...
Persistent link: https://www.econbiz.de/10010885345
With rapid development since the 1970s, China is entering a period of social transformation, which not only creates favorable conditions for sustainable development but also presents new challenges. The transitional period in China is a stage in which two types of social transformation coexist,...
Persistent link: https://www.econbiz.de/10010885346
Cycle time management plays an important role in improving the performance of a wafer fabrication factory. It starts from the estimation of the cycle time of each job in the wafer fabrication factory. Although this topic has been widely investigated, several issues still need to be addressed,...
Persistent link: https://www.econbiz.de/10010885347