This experiment studied rapid prediction methods for the fertilizer value of dairy manure based on physical / chemical analysis and near-infrared reflectance spectroscopy (NIRS) technology.

• 为了探讨基于近红外反射光谱(NIRS)技术快速测定奶牛粪便主要肥料成分含量的可行性,采集代表性样品89份,借助偏最小二乘法。