@article{Xiaoju NING_1811, author = {Xiaoju NING, Lijun ZHANG, Quntao YANG, Yaochen QIN}, title = {Trends in the frost-free period in China from 1951 to 2012}, publisher = {Acta Geographica Sinica}, year = {2015}, journal = {Acta Geographica Sinica}, volume = {70}, number = {11}, eid = {1811}, pages = {1811-1822}, keywords = {frost-free period;first frost date;last frost date;trend;spatial distribution;agricultural region}, doi = https://www.geog.com.cn/EN/10.11821/dlxb201511010 }