Study the effects of Mo and inoculation of Bradyrhizobium in acid purple soil by celB gene maker Comparison on the competitiveness of the invaded pokeweed with its accompanying species in the coastal protection forest of Shandong Peninsula Effect of crop species and mixed ratios on morphological plasticity and competitiveness of Phalaris minor Retz. Production performance of alfalfa+maize intercropping systems and evaluation of interspecies competition Production and N nutrient performance of wheat-maize-soybean relay strip intercropping system and evaluation of interspecies competition Correlative and empirical research for eco-economic level and regional competence of each region in China Analysis on the International Competitiveness of Chinese Forestry Industry Based on the Porter Theory Yield response to wheat/maize competitiveness in wheat/maize intercropping system under different root partition patterns Constructure of competitiveness evaluation index system of ecological agriculture using AHP method Evaluate of international competitiveness of Chinese materia medica industrialization in China Effect of intrusion volume of Imperata koenigii on relative competitiveness and traits of young Festuca arundinacea turf Assessment on the ecological fitness of anti-fungal transgenic rice Competitiveness and yield response to belowground interaction and density in barley-pea intercropping system Evaluation of low-carbon competitiveness in Western China Effect of Straw Returning and Reduced Tillage on Interspecific Competition and Complementation in Wheat/Maize Intercropping System Effect of substitution ratio of Imperata koenigii on competitiveness and growth potential of three species of cold season lawn grass The competitiveness of Bradyrhizobium sp. (Arachis) studied by using luxAB marker gene technique Empirical Analysis on Determinants and International Competitiveness of China‘s Wood-Based Panel Industry in Post-Crisis Era Studies on nodulation and efficiency of S.fredii using GUS gene