| 摘要 |
The invention relates to a removable plant protection system (1), comprising a wall module (2) including an upwardly extending wall segment (3) that is arranged for throwing a shadow on a soil area (4) near the wall module (2) when the sun reaches its highest orbit point and for allowing a sun beam on the soil area (4) at a time period on the day when the elevation of the sun is relatively low.
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