Effects of maize straw derived biochar on the soil fertility and nitrogen agronomic responses in black soil A study on mixed silage of alfalfa and maize straw Ammonia volatilization and control mechanisms in the piedmont of North China Plain Effects of the Maize Straw Returned to the Field and Tillage Patterns on Nutrition Accumulation and Translocation of Winter Wheat Effects of biological additives on the quality of water hyacinth and maize straw mixed silage Influence of arbuscular mycorrhizal inoculation on maize straw degradation and soil microbial biomass carbon and nitrogen, and enzyme activity in di-chamber split-root device Study on decomposition of maize straw under different green manure cropping patterns Effect of maize straw applied with N fertilizer on nitrogen adsorption of winter wheat under different soil fertility Effects of returning maize straw into field on the Zn forms and their availability in a calcareous soil. Effects of different maize straw-returning modes on the soil respiration in a winter wheat field. Effects of phthalic acid on seed germination, membrane lipid peroxidation and osmoregulation substance of radish seedlings Effects of combined application of maize- and horsebean straws on the straws decomposition and soil nutrient contents.  Effects of coupling film-mulched furrow-ridge cropping with maize straw soil- incorporation on maize yields and soil organic carbon pool at a semiarid loess site of China