Pridd
 | |
| Math | granular material, heterogeneous mixture, cyfundrefn naturiol, defnydd organig, defnydd adeiladu  |
|---|---|
| Y gwrthwyneb | craig |
| Lliw/iau | brown |
| Rhan o | pedosphere, landscape sphere, clay, cae |
| Yn cynnwys | haenlin pridd, soil life, soil gas, soil moisture, gwaddod, soil water |
| Dynodwyr | |
| Freebase | /M/09dv7 |
| Thesawrws y BNCF | 5165 |
| Quora | Soil |
 Ffeiliau perthnasol ar Gomin Wicimedia | |
Gall pridd fod yn olau fel tywod neu yn frowngoch, yn ysgafn a sych neu yn drwm ac yn wlyb a gall gynnwys cerrig mân, gronynnau bach caled sef tywod, darnau o blanhigion a phowdwr mân fel blawd. Os oes llawer o dywod ynddo bydd yn bridd ysgafn ond os gyda llawer o flawd bydd yn gleiog a thrwm. Bydd pridd tywodlyd yn naturiol yn sych gan nad yw'r tywod yn dal y dwr. Ar y llaw arall bydd pridd cleiog yn dal gormod o ddŵr.
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