According to the remote sensing interpretation data in study area, statistics and the data concerning agricultural land classification of Shaanxi Province, on t
Based on the statistical data concerning land use in Anhui Province from 1995 to 2005, this paper conduct comprehensive analysis on change of land use structure, change of land use degree, and landsca
The production and usage amount of pesticides in US rank the leading position in the world. On the basis of protecting the environment and human health, US gove
Germination and hydroponic experiments are performed on rice seeds growing in soils treated with Cd stress,with rice seeds of the same variety that is not treat