Tob. Reporter, 1994, 121-8, p. 62-7, ISSN.0361-5693
Tobacco transplants. Part 5. Production in polyethylene covered greenhouse tunnels
North Carolina State University, Dept. of Biological and Agricultural Engineering, Raleigh, NC, USA
It was demonstrated that a temperature-actuated device to open and close V-shaped vents in the polyethylene cover of a greenhouse tunnel controlled heat stress so that excellent tobacco plants could be produced in floating foam-plastic trays. Efforts...