Study on the Influence of Three Cultivation Patterns on Photosynthetics Characteristic of Blueberry SEVERAL BETTER MEDIA FOR CULTURING MESOPHYLL PROTOPLASTS OF PETUNIA HYBRIDA Types of Flowering Branch of Magnolia denudata Desr. under High Yield Conditione Optimization of Culturing Conditions for Toxin Production by Sclerotium cepivorum Berk. of Garlic Optimization of Culturing Conditions for Toxin Production by Sclerotium cepivorum Berk. of Garlic Study on the Influence of Three Cultivation Patterns on Photosynthetics Characteristic of Blueberry Culturing the Segments of Bryopsis hypnoides Lamouroux Thalli Regenerated from Protoplast Aggregations Suspending particulates in rotifer-culturing pond ecosystem Comparison of rutin and syringin content between tissue culturing seedlings and botanical drug of Saussurea involucrata Soil bacterial-feeding nematodes enrichment culturing in situ Studies on germination of dormant bud and seed of Elaeagnus mollis under tisssue culturing Development Course of Forest Harvesting Management Techniques of the Key State Owned Forest Areas in Jilin Province