本文介绍了三种快速预测畜禽粪便肥料成分含量的方法，包括比重计测定法、电导仪测定法以及近红外光谱分析法。
In this article, we review three rapid methods to predict manure nutrient content, including hydrometer, conductivity meter and Near Infrared Reflectance Spectroscopy.
经数理统计分析结果表明：近红外法与常规水分测定法、经典凯氏定氮法、索氏浸提法所测定的结果呈密切的线性相关，检测结果令人满意。
The results indicated it is satisfactory because closed linear correlation on the data of determination of moisture protein and rude fat by NIR and traditional methods.
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