Green House Grow how: A Reference Book |
From inside the book
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Page 13
... ( poly ) to reduce heat loss from the greenhouse by as much as 30 percent . Many grow- ers use a 4 - mil covering underneath and a 6 - mil copolymer cover on top , which usually last for two years or more . The double - poly coatings ...
... ( poly ) to reduce heat loss from the greenhouse by as much as 30 percent . Many grow- ers use a 4 - mil covering underneath and a 6 - mil copolymer cover on top , which usually last for two years or more . The double - poly coatings ...
Page 17
... poly- vinyl film ) Keeps light trans- mission qualities for 20 years , with small decrease AMER - X ( UV ) Mil thickness : 8. 12 95 % 5 - year guarantee Clean with mild detergent Diffused , milky Vinyl 42 " x 50 " width AIRCAP ( barrier ...
... poly- vinyl film ) Keeps light trans- mission qualities for 20 years , with small decrease AMER - X ( UV ) Mil thickness : 8. 12 95 % 5 - year guarantee Clean with mild detergent Diffused , milky Vinyl 42 " x 50 " width AIRCAP ( barrier ...
Page 41
... Poly on glass It is possible to apply poly sheeting directly to wet glass on the inside - some colored poly is available for this purpose . These shades are not adjustable , however , which is a disadvantage . Fig . 34 Draped ...
... Poly on glass It is possible to apply poly sheeting directly to wet glass on the inside - some colored poly is available for this purpose . These shades are not adjustable , however , which is a disadvantage . Fig . 34 Draped ...
Common terms and phrases
24-hour clock Agriculture Aphis automatic bacteria bench Benomyl bonsai Brooklyn Botanic Gardens carbon dioxide chemicals Clorox compost cool Cost Dept Detail Diazinon disease Electric energy equipment example exhaust fan feeding fertilizer fiberglass flowers foliage footcandles fungus Garden germination glass green greenhouse growers growing plants growth heating system hobby greenhouse Horticultural hose humidistat hydroponic insects installed Item larvae layer leaf leaves light lumber materials mealybug medium minor elements Mississauga mist mites moisture nitrate nitrogen nozzles nutrients Ontario oxygen P.O. Box peat perlite pest photosynthesis pieces pipe Plant Propagation plastic Plate plywood poly polyethylene Propagation relative humidity root system salt sand seed shade soil mix SOLAR HEATING SOURCES General information spray stem storage supply surface Table Teaspoons temperature tensiometers thermostat tissue tube UNITED University valve vermiculite watering system wire yes yes yes Zectran