Data sources of soil textures.

<p>S1: Soil information from China, other regions of the world, and the Moon, including their locations, soil textures, specimen numbers, and data sources (references), is presented.</p> <p>S2: Data on grain size distribution for unimodal, bimodal, trimodal, and multimodal distributions are presented.</p> <p>S3: Grain size distribution data for soils from the earth.</p> <p>S4: Grain size distribution data for soils from the moon.</p> <p>S5: Matlab code for simulating soils from source areas.</p> <p>&nbsp;</p>