a sample of soil taken for scientific investigation.
单词 | θ53144 |
释义 | the world > food and drink > farming > cultivation or tillage > [noun] > soil conservation (4) soil sample1902 a sample of soil taken for scientific investigation. soil sampling1927 soil conservation1932 the protection and safeguarding of the soil against erosion, loss of fertility, and damage. fixation1953 The action of fixing, in various senses (see fix, v.). |
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