Limitation of land

The limitation of land in urban area leads to the existence of land slowly omitted and changed to be functioned room. The additional room itself will be reducing thermal comfort in the house.

13p lucastanguyen 01-06-2020 13 2   Download

In order to overcome the limitation of land available for aquaculture in the central costal region of Vietnam and to reduce organic pollution in traditional integrated fish farming, a new method was developed called the ‘improved VAC’ In traditional VAC systems the manure from farm animals is released into fish ponds whereas in the ‘Improved VAC’ the manure is used for earthworm culture. The worm production is then used to feed high value fish species in tanks.

8p tam_xuan 02-03-2012 63 4   Download

The study provides a comprehensive picture of the animal feed sector in Vietnam (both supply and demand side) upon data collected from 2 main surveys: feed mill survey investigating the supply side and producer survey investigating the demand side. The results show that, on the supply side, SMEs appear to have less competitiveness than large ones. That is reflected in some aspects such as higher production costs per kg output, using more labor, limited quality control, limited access to capital and land, and many small enterprises have losses.

6p tam_xuan 02-03-2012 85 5   Download

Australia, Australia (First received October 1995; accepted in revisedform September 1996) Abstract--Sewage sludge usually contains significant heavy metals that may limit its land application. Heavy metals in municipal solid waste have been shown to be less mobile by amendment with bauxite refining residue (red mud) prior to the composting process.

14p tudoia 06-04-2011 80 7   Download