A survey of changes of nutrient elements in arable land in Shengzhou City in a period from 1984 to 2004

›› 2007, Vol. 1 ›› Issue (02): 0-197.

• 论文 •

A survey of changes of nutrient elements in arable land in Shengzhou City in a period from 1984 to 2004

Received:1900-01-01 Revised:1900-01-01 Online:2007-04-11 Published:2007-04-11

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