nutrient. 第1页

Effects of snow cover on the decomposition and nutrient dynamics of Sibiraea angustata leaf litter in western Sichuan plateau, Southwest China. Spatial variability of soil nutrients and salinity in coastal saline-alkali land based on belt transect method. 施用猪粪对油麦菜产量、硝酸盐含量及土壤养分的影响 Prediction of soil nutrients spatial distribution based on neural network model combined with goestatistics. Change of Bt protein in soil after growing Bt corns and returning corn straws to soil and its effects on soil nutrients. Plant and soil nutrient characteristics in the karst shrub ecosystem of southwest Hunan, China. Characteristics of soil microbial biomass and community composition in three types of plantations in southern subtropical area of China.