Effects of different planting modes on soil nitrogen transformation and related enzyme activities. Effects of reduced N application rate on yield and nutrient uptake and utilization in maize-soybean relay strip intercropping system. Effects of nitrogen management on maize nitrogen utilization and residual nitrate nitrogen in soil under maize/soybean and maize/sweet potato relay strip intercropping systems. Effect of reduced N application on soil N residue and N loss in maize-soybean relay strip intercropping system. Differences of dry matter accumulation and distribution of maize and their responses to nitrogen fertilization in maize/soybean and maize/sweet potato relay intercropping systems Effects of different nitrogen levels on photosynthetic characteristics, dry matter accumulation and yield of relay strip intercropping Glycine max after blooming Effects of shading and light recovery on soybean morphology and photosynthetic characteristics in soybean-maize intercropping system Differences in maize photosynthetic characteristics and nitrogen regulation effects in maize/soybean and maize/sweet potato relay strip intercropping Effect of planting patterns on crop yield, nutrients uptake and interspecific competition in maize-soybean relay strip intercropping system Effects of Shade and Light Recovery on Soybean Cultivars (Lines) and Its Relationship with Yield in Relay Strip Intercropping System Effect of Nitrogen Application Methods on Crop Yield and Grain Filling Characteristics of Maize in Maize-Soybean Relay Strip Intercropping System Effect of Wheat/Maize/Soybean and Wheat/Maize/Sweet Potato Relay Strip Intercropping on Bacterial Community Diversity of Rhizosphere Soil and Nitrogen Uptake of Crops Effects of reduced nitrogen application on nitrogen uptake and utilization efficiency in maize-soybean relay strip intercropping system Effects of Relay Strip Intercropping Years between Flue-cured Tobacco and Soybean on Rhizospheric Microbes Quantities