caa a22 4500 469032286 CHVBK 20180323132746.0 cr unu---uuuuu 170328e19921201xx s 000 0 eng 10.1007/BF02664566 doi (NATIONALLICENCE)springer-10.1007/BF02664566 Wang Jinghua Institute of Geography, Chinese Academy of Sciences, 100101, Beijing, PRC aut Background values and trend distribution of Cu, Zn and Ni in soils in China [Elektronische Daten] [Jinghua Wang] The background values of Cu, Zn and Ni are discussed based on the analytical data of 21 main soil types collected from various regions in China. According to statistics of many samples, the background value of Cu is 23.4±10.2 mg/ kg (482 samples), Zn 77.9±2.39 mg/ kg (474 samples), Ni 30.0±12.8 mg/ kg (482 samples). Science Press, 1992 Soil nationallicence Background values of Cu Zn and Ni nationallicence trend distribution nationallicence Chinese Geographical Science Science Press 2/4(1992-12-01), 357-366 1002-0063 2:4<357 1992 2 11769 https://doi.org/10.1007/BF02664566 text/html Onlinezugriff via DOI 1 research-article jats NATIONALLICENCE 856 40 https://doi.org/10.1007/BF02664566 text/html Onlinezugriff via DOI NATIONALLICENCE 100 1- Wang Jinghua Institute of Geography, Chinese Academy of Sciences, 100101, Beijing, PRC aut NATIONALLICENCE 773 0- Chinese Geographical Science Science Press 2/4(1992-12-01), 357-366 1002-0063 2:4<357 1992 2 11769 Metadata rights reserved Springer special CC-BY-NC licence nationallicence BK010053 XK010053 XK010000 NATIONALLICENCE NATIONALLICENCE NL-springer