Institute of Agricultural Resources and Regional Planning;
Chinese Academy of Agricultural Sciences/National Engineering Laboratory for Improving Quality of Arable Land;
Beijing 100081;
China;
Guangdong Provincial Bioengineering Institute;
(Guangzhou Sugarcane Industry Research Institute)/Guangdong Key Laboratory of Sugarcane Improvement and Biorefinery;
Guangzhou 510316;
China;
College of Resources and Environmental Sciences;
China Agricultural University;
Beijing 100094;
China;
Centre of Agricultural Environment and Resources;
Jilin Academy of Agricultural Sciences;
Changchun 130033;
China;
Institute of Plant Nutrition;
Resources and Environment;
Henan Academy of Agricultural Sciences;
Zhengzhou 450002;
China;
critical Olsen P value; efficient P utilization; long-term fertilization; P management; response curve; soil type;