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Contents and cycling of microelements in Karst urban poplar plantations A Study on the Relations Between Forage Crude Protein and Microelements Content and Eld’s Deer Feed Preference Biological cycling of Koelreuteria paniculata plantation microelements in Xiangtan Manganese Mine wasteland Spatial variations of soil organic carbon and available microelement contents in interlaced area of vegetable lands and grain lands----A case study in Shouguang City, Shangdong Province Available Microelements in Soils under Different Stands in Northern Subtropics of China Effects of AM fungi on growth and microelement of Scuteliaria baiealensis under different applied phosphorous levels Characteristics Analysis of Microelement Contents in Newhall Navel Orange Leaves in Southern Jiangxi Province Characteristics Analysis of Microelement Contents in Newhall Navel Orange Leaves in Southern Jiangxi Province Manufacturing technology of chelation of amino acids with microelements Effects of straw returning combined with medium and microelements application on soil organic carbon sequestration in cropland. On Variation of the Distribution and Forms of Cu,Zn,Ni,and Mn in Soil Profile Analysis of soil and plant nutrients in alfalfa fields in China Content Determlnation of Nutrient Constltuents in Various Processed Samples of Cynanchum auriculatum Royle ex Wigkt Effects of Some Exogenous Hormone and Microelements on Enzyme Activities in Cotyledon of Tea Seeds during Germination The effect of cropping system on the microelements in lime concretion fluvo-aquic soils Accumulation, distribution and biological cycling of microelements in a second rotation Chinese fir plantation