Method of Establishing Ramie Core Collection Advance in soil sampling methods in rhizosphere microzone study Study on the Methods of Constructing Chinese Cabbage Core Germplasm Based on the Morphological Data Studies on the Constructing of Pepper Core Collection Based on Phenotypic Data An Efficient Method of Sampling Core Collection from Crop Germpl-asm A Method for Establishing Core Collection of Pleurotus ostreatus Cultivated in China Based on SSR Markers STUDIES ON THE SAMPLING TECHNICAL AND PREDICATIONIS METHODS OF THE LARCH SAWFLY Studies on the Sampling Technique of Willow Moth A Method for Establishing Core Collection of Pleurotus ostreatus Cultivated in China Based on SSR Markers Comparative Study on the Sampling Methods of the Leymus chinensis Grassland of Inner Mongolia Autonomous Region Carbon Density of Herbage in Natural Secondary Pinus tabulaeformis Forest in Huoditang Zone,Qinling Moutains A Preliminary Study on Construction of High-Quality Core Collection of Populus nigra Effect of sampling method on the estimation of soil carbon and nitrogen storages in thicketed semiarid grasslands, Inner Mongolia Study on the Methods of Constructing Chinese Cabbage Core Germplasm Based on the Morphological Data Estimating uncertainties and determinants ofsoil organic carbon stock Field sampling methods for earthworm: A review. Distribution of Landscape Elements Along Environmental Gradients in Guandishan Forest Region Study on the Sampling Methods for Korean Pine Forests Mixed with Deciduous Trees in the Lesser Xiao Xingan Mountains in Heilongjiang Province The Application of the Sampling Method to the Plant Population Pattern in the Lower Subtropical Forest DNA Sampling Strategy and Calculation of Genetic Distance between Maize (Zea mays L.) Populations Sampling Method on Grain Yield Evaluation Based on Maize Regional Trials