It is a report of experimental results. By means of the field measurements we obtained the features of variation of radiation reflectance （in wave bands 290-2800 nm and 400-700 nm） of the four components in GO approach in Juniperus tree nursery and the radiation transfer in a single tree crown and in apple tree orchard. At the same time we also obtained the foliage area volume density （FAVD） in three dimensions and the leaf angle distribution （LAD） with the Tree Computed Topography （TCT） method. The measured data of distribution of reflected radiation from sunlit crown of Junipers tree were related very well to the model calculation using the approach of path scattering of light in semi-infinite medium with modification of change the semi-infinite medium to the shape of tree crown.