4Study on tissue culture and rapid propagation technique of wild Polygonatum sibiricum from Mount Tai12-13,17
5Relationship Analysis and Model Construction between Soil Nutrient and Wheat Yield and Quality on County Scale14-17
6Influencing Factors and Prediction Models of Soil Temperature in Yantai Based on Partial Correlation Analysis18-21
11Male-flower-inducing Effect of Silver Nitrate on Different Seedling-age Cucumber Gynoecious Inbred Line32-35
14Study on growth and development characteristics of hibernacles of solomonseal rhizome in Mount Tai region43-44
17Research Advances of Endogenous Hormones and Chemical Regulation on Sweet Potato(Ipomoea batatas L.)51-56,62
19Sulfate Adsorption and Desorption Characteristics of Calamagrostis angustifolia Wetland Soil in Sanjiang Plain63-66