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This study was an effort to produce synthetic knowledge on the rapid land-use/land-cover (LULC) changes and on the integrating rates of change with fundamental patterns in southern Gadarif region, Sud...
Report of “Acid Rain 2005”; Frontier of Research on Acid Rain and Its future Direction in Japan
Weed competition causes significant damage (up to 90%) to crop yields. Weed control through chemical means in the form of herbicide is commonly used to kill weeds or inhibit their growth throughout t...
The pH and chemical composition of 126 precipitation samples, which were collected from April 1998 to November 1999 in Jinyun Mountain, Chongqing, China, were analyzed. The results showed: the avera...
In the late 19th and early 20th centuries, the North American agricultural frontier moved into semi- arid regions of the Great Plains where farming was vulnerable to drought. Farmers who migrated to t...

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