53.6 MB (4.6 MB compressed)
5000 x 3750 pixels
42.4 x 31.8 cm ⏐ 16.7 x 12.5 in (300dpi)
MARTYN F. CHILLMAID / SCIENCE PHOTO LIBRARY MARTYN F. CHILLMAID / SCIENCE PHOTO LIBRARY
Plastic mulch. During winter raised strawberry beds are covered with PVC so that the earth is warmer than the surrounding fields. This enables earlier planting in the year to extend the growing season without artificial heating. Plastic mulch also has the advantages of weed control, reduced evaporation, reduced fertilizer leaching and keeping the crop cleaner. Various colours have been tried, as well as black, white and clear. Blue has proved to have a dramatic increase on soil temperatures but results seem to depend on location. Warwickshire UK.
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