如化验某猪圈粪中的有机质含量,可取混肥样5斤,弄碎后放到阳光下或炕上晒干烘干,散水过程要不断压碎,直到充分干燥为止.化验时,先从干粪样中取出1斤,放到铁板或铁锅里,再拿到炉盖上进行烘烧,要不断翻倒,使粪样中有机质开始炭化和充分灰化,样品不再冒烟、呈红褐色(类似红砖色)时结束.样品凉后再进行计算,先从原样中减去烘烧后样品的重量,即为失掉的重量(简称“失重”).“失重”中包括有机质和水两种成分,水分约占原样 Such as testing a pig stool in the organic matter content, it is advisable mixed fertilizer like 5 pounds, crushed into the sun or on the kang drying, drying process should continue to crush until fully dried. Remove 1 kg of dry dung sample, put it into the iron or iron pot, and then take the lid on the baking, to continue to fall, so that the excrement of organic matter began to carbonize and full ash, the sample no longer smoke, (Similar to the red brick color) when the end of the cold sample after the calculation, the first sample from the original subtracted after the weight of the sample is lost weight (“weight loss”). “Weightlessness” includes organic matter Water and two components, water, about the same as the original