Gray correlation analysis on naturalness of the primary forest types on the Losses Plateau Effects of Plantation on Soil Nutrient and Evaluation in Yuanmou Dry-hot Valley Fingerprint and spectrum-effect relationships on Tripterygium glycosides preparation Grey relational analysis of soil moisture under different landuses in the Loess Hilly Region Effect of soil factors on quality and style of flue-cured tobacco in Qujing District, Yunnan Province Application of Crop Grey Breeding Theory in New Ryegrass Strain Screening Diffusion and migration dynamics of Aphis gossypii on Hibiscus syriacus plants Relational analysis of soil enzyme activities, nutrients and microbes inRobinia pseudoacacia plantations in the Yellow River Dalta withdifferent degradation degrees Grey Relational Analysis of Suitable Ganoderma Strains for Liquid Fermentation Grey Relational Analyses between Biochemical Matter Contents and Agronomic Characters of Hybrids in Pepper Effect of Climatic Factors on the Yield of Aneurolepidium chinense (Trin.) Keng Community Identification of Drought Resistence at Seedlings Stage in Common Bean (Phaseolus vulgaris L.) Varieties Spectrum-effect relasionship of extract from rhizome of Alpinia officinarum on promotion of melanogenesis Natural Grassland Quality Evaluation of Zhaosu Horse Farm Using the Theory of Grey Relational Analysis Evaluation for extraction process of Shenqi Tongmai Yizhi particles based on antioxidant capacity in vitro and its spectrum-effect relation The Grey Relatedness Analysis between the Modular Structure of Clonal Population of Calligonum mongolicum and the Environmental Factors in the Minqin Desert