Changes of the Rice-Seeded Area in Beijing and Tianjin Region during the Past 50 Years and Its Responses to the Changes of Precipitation
SU Gui-wu, FANG Xiu-qi
SCIENTIA GEOGRAPHICA SINICA ›› 2000, Vol. 20 ›› Issue (3) : 212-217.
Changes of the Rice-Seeded Area in Beijing and Tianjin Region during the Past 50 Years and Its Responses to the Changes of Precipitation
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