Frontiers | Effect of Different Fertilizations on the Plant-Available Nitrogen in Soil Profile (0–100 cm): A Study on Chinese Cabbage,Frontiers | Effect of Different Fertilizations on the Plant-Available Nitrogen in Soil Profile (0–100 cm): A Study on Chinese Cabbage,Frontiers | Photosynthesis, Chlorophyll Fluorescence, and Yield of Peanut in Response to Biochar Application,451KB,Frontiers | Maize/peanut intercropping has greater synergistic effects and home-field advantages than maize/soybean on straw decomposition