The Owner-built HomesteadScribner, 1977 - 394 ˹éÒ |
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˹éÒ 199
... greenhouse . Some types of plant shelter are built to control only one or another factor of that environment , such as excessive heat , wind , or cold . To temper these ... GREENHOUSE The Pit Greenhouse / 199 14 14/ The Pit Greenhouse.
... greenhouse . Some types of plant shelter are built to control only one or another factor of that environment , such as excessive heat , wind , or cold . To temper these ... GREENHOUSE The Pit Greenhouse / 199 14 14/ The Pit Greenhouse.
˹éÒ 203
... greenhouse plants need and use much carbon dioxide ( more on bright , sunny days than on overcast days ) . Greenhouses need additional sources of carbon dioxide . In warm climates , high concentrations cannot be maintained as long as ...
... greenhouse plants need and use much carbon dioxide ( more on bright , sunny days than on overcast days ) . Greenhouses need additional sources of carbon dioxide . In warm climates , high concentrations cannot be maintained as long as ...
˹éÒ 207
... greenhouse with ventilation operated by thermostats , clocks , and switches . Again , greenhouse operation is an inti- mate affair between life forces and their human attendants . Heat and moisture can easily be monitored by personal ...
... greenhouse with ventilation operated by thermostats , clocks , and switches . Again , greenhouse operation is an inti- mate affair between life forces and their human attendants . Heat and moisture can easily be monitored by personal ...
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