Background:Measurements of tree heights and diameters are essential in forest assessment and modelling.Tree heights are used for estimating timber volume,site i
Invited by Prof YUAN Longping 3 Japanese scientists of the delegation of National Federation of Agricultural Cooperative Association (ZEN-NOH) led by Hibino, ca
In regional trials for hybrid rice in Jiangxi Province in 1987 and 1988, the average yield of Xieyou 2374 over the 12 trials sites was 5.19t/ha, and 6.78 t/ha r