problems 第1页

Problems in agricultural developmeat in the plain located in front of Mt. Taihang and ways for dealing with--A case study from Luancheng County,Hebei Province Analysis of problems and causes in industrial chain of traditional Chinese medicine Probe into several ecological issues related to the establishment of urban turf systems SOME ADVANTAGES AND PR0BLEMS 0F APPLYING THE POLLEN-DERIVED PLANTS TO CROSS BREEDING 0F RICE (O.sativa. subsp. japonica) Problems of and Suggestions to the Study of Chinese Phytomedicine Notes on the genus Clematis (Ranunculaceae) The problems in red soil ecosystem in southern of China and its countermeasures Taxonomic Revision and Phylogenetics on the Genus Macromitrium in the World:History,Current Status and Problems Countermeasures for promoting internationalization of Chinese materia medica by virtue of formula granule Effects of Continuous Cropping on Photosynthesis and Medicinal Quality of Pseudostellariae heterophylla Analysis of traditional and modern application of prepared decoction pieces of herbal medicine A study on eco-agricultural models in the main dry wheat areas of South Shanxi Present situmtion,problems and countermeasures of Chinese flowering industry An approach to agricultural eco-engineering Advance in research on the response of plants to the increased Ultraviolet-B radiation The Daya Bay Ecological problems and corresponding controlling strategies Review on studies of hydraulic lift in root system Contents,heated problems and significance of neighborhood interference among plants Notes on the genus Clematis (Ranunculaceae) (Ⅰ) Advances in Dynamic Simulation Research of Rice Growth Advantages and disadvantages of green tea production and primary ecological control techniques in the hilly regions of Hunan The Genetic Resources of Introduced Populus and the Problems Existed in China Theory and Practice on Sustainable use of China‘s Natural Grassland: A Study on the Development Strategy of Grassland-Livestock and Grassland-Agriculture A review on urban metabolism research based on physical space entities for environmental management. PROBLEMS AND SUGGESTION ON RADIOISOTOPE TRACING EXPERIMENT Notes on the genus Clematis (Ranunculaceae) (Ⅱ) Taxonomic Studies on Some Species of Diatoma Genotoxicity research thought and method on traditional Chinese medicine Ecoenvironmental problems and countermeasures in the extensive development of West China Establishment of ecological compensation mechanisms in China: perspectives and strategies STUDY ON THE PROBLEMS OF FOREST PLANTATION PRODUCTIVITY OF CHINA Ⅱ.——TO PROBE INTO THE SOCIAL AND OTHER NON-NATURE FACTORS DEBASING THE PLANTATION PRODUCTIVITY STUDY ON THE PROBLEMS OF FOREST PLANTATION PRODUCTIVITY OF CHINA(Ⅰ)——TO PROBE INTO THE NATURAL FACTORS OF INFLUENCING THE PLANTATION PRODUCTIVITY