This research was supported by the National Forestry Science Data Platform of China (2005DKA32200-12), the State’s Key R & D Project of China (Grant No.2017YFD0301507), the Natural Science Foundation of Hunan Province, China (Grant No.2018JJ3227), and the Key R & D Project in Hunan Province, China (No.2017NK2382 and 2017NK2222). We would like to thank Chen Liyun and Zou Yingbin (Hunan Agricultural University, China) for their helpful discussions. We also thank Sun Ligang and GaoKailun (Hunan Agricultural University, China) and Ferdin and Corcuera (IRRI, Philippines) for their assistance in software design and data acquisition.
