Soil nitrogen balance in citrus orchards of the Three Gorges area in Chongqing Soil phosphorus balance in citrus orchards of three gorges area in Chongqing Orange Leaves Nutrient Status of the Three Gorges Area in Chongqing Investigation of the Mineral Nutrients Status of Pear Leaves in Main Orchards Around the Bohai Bay Region Spatial Characteristics of Soil Moisture of Apple Orchards in the Loess Plateau of Shaanxi Province Investigation of the Mineral Nutrients Status of Pear Leaves in Main Orchards Around the Bohai Bay Region Orange Leaves Nutrient Status of the Three Gorges Area in Chongqing Effects of different nitrogen fertilizers on N2O emissions in a highly acid tea orchard soils Analysis on the soft nutrients of citrus orchards in demonstration are8 of environmental immigrants,Northwest Guangxi Study On heavy metal behavior characteristics of soil in citrus orchar ds of the Three Gorges Reservoir Region Assessment of fungal diversity in apple replanted orchard soils by T-RFLP analysis Dynamics of soil fertility of citrus orchards in demonstration area of environmental immigrants,Northwest Guangxi Investigation of populations of parasitic wasps parasitizing Carposina sasakii Matsumura (Lepidoptera: Carposinidae) in jujube orchards in China, with respect to the wasp-host relationship Differences in root architecture of several Stylosanthes genotypes and their phosphorus efficiency 半干旱地区果园土壤Cl-迁移积累与环境因子的关系