A Study on Manganese Content in Soils and Leaves of Rubber Trees in Rubber Plantation Areas of China Isolation and Analysis of Rubber Hevein Gene and Its Promoter Sequence Advances in Researches of Arbuscular Mycorrhizae in Hevea brasiliensis Transferability Analysis of Cassava EST-SSR and Genomic-SSR Markers in Jatropha and Rubber Tree RESEARCH ON SPATIAL PATTERN OF BIOMASS AND NUTRIENT ELEMENT IN PLANTATION OF RUBBER INTERCROPPED WITH AMOMUM LONGILIGULARE Comparison of annual returned carbon content of litters and annual carbon emission of the rubber trees of different ages Influence of Rubber Plantation Intercropping with Amomum villosum or Coffee on Soil Fertility Correlation and Cluster Analysis of Agronomic Traits in Rubber Tree Research on Biological Cycle of Nutrient Elements in Plantation of Rubber Intercropped with Amomum Longiligulare CARBON SEQUESTRATION IN RUBBER TREE PLANTATIONS ESTABLISHED ON FORMER ARABLE LANDS IN XISHUANGBANNA, SW CHINA New advance on Hevea breeding of recent years at home and abroad