Effect of different fertilizer applications on silage maize growth and hay output Effect of sowing date on yield and phytomass allocation of silage maize in Hunshandak Sandy Land Studies on Selection of Valuable Somaclonal Mutants in Silage Maize Nitrogen-15 labeling and nitrogen transformation in silage maize-cattle manure system Intercropping of Different Silage Maize Cultivars and Alfalfa Matter Production and Resources Use Efficiency of Double-Cropping Silage Maize System Research on Production Performance of Silage Maize in Alpine Meadow Region Photosynthetic and Physiological Characteristics of the Populations of Different Types of Silage Maize