The Seasonal Allocation and Dynamics on Nutrition Elements of Ca, K, Mg, Mn, Fe, Na in the Forage and Community in Pasture of Ryegrass and Clover in Subtropical Region of China The status of mineral nutrition concentration in middle leaves of flue-cured tobacco from China Studies on Fertilization of Young Acer truncatum Bunge Ⅱ. Effect on Flavonoid,Cholorogenic Acid and Nutrition Elements in Leaves Study on the Above-ground Biomass Production and Nutrition Accumulation in Various Mixed Plantations of Forest Trees and Rattan Mo and B‘s Effects on the Yield and Quality of Cauliflower Effects of Three Soil Moisture Conservation Measures on Dynamics of Mineral Nutrition Elements in Ziziphus jujuba ‘Linyilizao’ Leaves and Its Yield Background of nutrition elements in tea garden soils in Sichuan province Effects of different nutrition elements on maize stalk rot Spatial Distribution of Nutrition Element and Its Relationship with Soil Nutrients in Different Years of Phyllostachys pubescens The Nutrition Dynamic of N,P,K in Umbrella Bamboo(Fargesia murielae )before and after Flowering Studies on the nutrition element contents of transgenic Bt cotton hybrid leaves and its relationship with yield Mo and B‘s Effects on the Yield and Quality of Cauliflower Efects of Ni pollution on the absorption and accumulation of mineral nutritious elements in wheat seedling Effect of nutrition elements on biocontrol efficiency of Trichoderma against melon wilt