总休
1.Systematically summarized the development process that the urban master layout under the instruction from ancient simplicity ecological concept to neoteric awakening ecological concept and then to modern ecology experienced the evolution of universe mode, human mode, ecological mode, and discussed in details that the characteristic and research status of four ecological modes appeared the urban master layout, i.e. organic ecology, human ecology, functional ecology and composite ecology along the formation and development process of morden ecology.
2.At the initialstage of retapping after winter rest, DRC and magnesium content decreased while rubber yield,sucrose content, total acid phosphatase activity and PI increased gradually.
