Line drawing showing the steps toward making an irrigated plant bed, 1933
收藏Mendeley Data2024-01-31 更新2024-06-27 收录
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https://digitallibrary.usc.edu/asset-management/2A3BF1CVEF0
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资源简介：
Photograph of a line drawing showing the steps toward making an irrigated plant bed, 1933. The drawing is shown at center, separated into four sequential quadrants. At top left, a man is depicted hoeing a ditch. At top right, a second ditch is dug. To the lower left, the soil between the ditches is smoothed. At lower right, the man is shown planting a row.
创建时间：
2024-01-31
