Determination of Geographical Origin of Wuchang Rice with the Geographical Indicator by Multielement Analysis

Table 1

The information of rice samples from three regions.

	Year	Number	Longitude (E)	Latitude (N)	Type of soil	Geology	Average temperature (°C)	Annual rainfall (mm)	Sunshine (h)
Qiqihar	2013	32	124°05′–124°15′	48˚07′–48˚13′	Black soil	Upper Pleistocene	3.9	652	2861
	2014	32	124°05′–124°14′	48˚07′–48˚12′			4.7	593	3015
Jiamusi	2013	30	132°45′–134°20′	47˚02′–47˚59′	Planosol	Neoproterozoic	2.7	572	2305
	2014	30	132°40′–134°25′	47˚01′–47˚58′			3.2	454	2477
Wuchang	2013	28	126°41′–127°46′	44°25′–45°12′	Sandy loam soil	Guadalupian	4.1	775	2194
	2014	30	126°44′–127°46′	44°24′–45°13′			4.9	562	2149