Caffeine in Plants:From Biosynthesis Pathway to Genetically Modified Caffeine in Plants:From Biosynthesis Pathway to Genetically Modified Effects of fertilization on the growth,photosynthetic characteristics and yield of Coffea arabica Identification of two Isaria isolates and bioassay of their pathogenicity against tea tortrix Homona coffearia and smaller tea tortrix Adoxophyes honmai Nutrition diagnosis and balanced application of fertilizers of Coffea arabica L. in coffee-litchi agroforestry Effects of fertilization on photosynthetic characteristics and growth of Coffea arabica L. at juvenile stage under drought stress Influence of Rubber Plantation Intercropping with Amomum villosum or Coffee on Soil Fertility