soiltotalphosphorus相关论文
Effects of Natural Rainfall on Soil Erosion and Soil Fertility on Sloping Cropland in a Small Waters
A field experiment was conducted in the water source area of the South-to-North Water Diversion Project,located in the D......
为了探明北方水稻土适宜的秸秆还田方式,并为稻草合理还田提供理论支持和数据参考,采用室内恒温淹水培养法,研究了添加腐熟稻草(F)......