Biocycling of Nine Nutrient Elements in Winter Wheat on a Calcareous Alluvial Soil From Beijing Effects of combining application of Mg, Zn and Mo fertilizers on leaf biomass and medicinal quality of ginkgo seedlings Effects of N and Zn interaction on yield and contents of N and Zn in grains of rice Biological availability of zinc lignosulfonate on calcareous soil of north Guangdong Province Effects of Zn sources and application methods on the contents of various Zn fractions and Zn fertilizer utilization efficiency