| 摘要 |
<p>Growing pot cover comprising a substantially opaque flexible sleeve (1) with an opening at each of its two ends, one of the ends (2, 2') having a device for manual or automatic size adjustment of the corresponding opening (3, 3', 4, 4'). Application in the control of weeds threatening cultures. The invention also concerns a process for the preventive or curative control of weeds in a growing pot with a cover of the above-mentioned type, and protective covers.</p> |
