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【单选题】
关于 土壤水分含量的测定 方法 , 下列说法错误的是
A.
烘干法是将土壤样品在 105-110 ℃烘箱中，使水分逐渐被蒸发逐尽
B.
红外线法是利用红外线照射的热能，使样品中水分蒸发，迅速烘干。
C.
酒精燃烧法是利用利用酒精在样品中燃烧产生的热量，使水分迅速蒸发
D.
烘干法是测定土壤含水量的常规方法，红外线法因测定速度快，所以多用于野外水分速测
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