Примери за polytunnel

• They examined 22 quantitative traits relating to leaf and flower bud size and developmental time, in plants grown in an unheated polytunnel.

• The polytunnel was daylit with variable temperature.

• The education facilities include a range of national vocational qualifications, courses in industrial cleaning, hairdressing, beauty salon work, pottery, literacy classes, basic skills classes, market gardening, polytunnels and landscaping.

• Every factor influencing a crop can be controlled in a polytunnel.

• The bottom garden has a polytunnel which inside grows lettuce, tomatoes and other vegetables.

• The original pilot design evolved into a lower cost solution using a lighter steel structure, similar to a multi-span polytunnel.