Nutrient evaluation of the soil in the Qinghai-Tibet Plateau based on BP neural network
YANG Wenjing, WANG Yibo, LIU Xin, SUN Zhe
Journal of Glaciology and Geocryology . 2019, (1): 215 -226 .  DOI: 10.7522/j.issn.1000-0240.2019.0103