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142 items found (Showing 1 - 10)
  1. 1920-01-19 The reason for scarcity of fruits in regions where, by climatic indications, one would expect them to be most abundant, is not to be found in any single fact, but is, perhaps, largely the result of three causes: first, the enervating effect of heat, which discourages man from undertaking work...  
  2. 1965-03-01 Circular no. 905 55 pages, illustrated, photos  
  3. The solar greenhouse is an appropriate technology tool which can be geared to the needs of people in rural, urban, and suburban areas.  
  4. 37 pages, illustrated, photos  
  5. 187 pages In English, Ukrainian,and Russian  
  6. Large & small, packaged and custom-built with special sections on solar heating, hydroponics, coldframes, window greenhouses and terrariums.  
  7. Peter Clegg, a solar architect, and Derry Watkins, his gardening wife, take the two key elements of this picture, the warm protected environment and the lush vegetation--and weave them into the major components of this unusal book. Besides covering all aspects of growing plants indoors, the...  
  8. The results, as in previous years, revealed that summer planting of the greenhouses required a high input and resulted in a low out production. Considerable effort, time and investment must be spent towards research to increase the greenhouse cooling efficiency and plant productivity and in...  
  9. This Agrodok deals with the possibilities applicable to protect horticultural crops against unfavorable climatic conditions. It fits with the worldwide expansion of tunnels and greehouses covered with plastic foils during the last two or three decades.  
  10. Organic Gardening Under Glass, written by two well-known greehouse growers and garden writers, is all about ornamentals and edibles in the greenhouse. Read it and you'll discover how to propagate house plants, grow tropical orchids, and harvest blueberries and peppers. Find out how to get a...