Zobrazeno 1 - 8
of 8
pro vyhledávání: '"Jessica J. Prenger"'
Autor:
Jeffrey T. Richards, Jessica J. Prenger, Neil C. Yorio, Hyeon-Hye Kim, Gary W. Stutte, Oscar Monje, Raymond M. Wheeler, Howard G. Levine, John C. Sager
Publikováno v:
Journal of Agricultural Meteorology. 60:385-390
Autor:
Trevor Murdoch, April C. Spinale, Kevin A. Burtness, Donna T. Rouzan, Howard G. Levine, Jessica J. Prenger
Publikováno v:
SAE Technical Paper Series.
The development of a spaceflight-rated Porous Tube Insert Module (PTIM) nutrient delivery tray has facilitated a series of studies evaluating various aspects of water and nutrient delivery to plants as they would be cultivated in space. We report her
Publikováno v:
2005 Tampa, FL July 17-20, 2005.
The Water Offset Nutrient Delivery ExpeRiment (WONDER) studies two versions of a gravity-independent nutrient delivery system (NDS) to determine the optimum wetness set points for plants grown in microgravity. Control of root zone moisture content tr
Publikováno v:
SAE Technical Paper Series.
Publikováno v:
2004, Ottawa, Canada August 1 - 4, 2004.
The development of an irrigation control system that used plant-response based feedback is presented. The crop water stress index (CWSI-IRT) based on infrared canopy temperature measurement was employed as the feedback parameter. The aspects of the c
Publikováno v:
Transactions of the ASAE. 45
Advances in evapotranspiration modeling have led to a variety of formulas and terms used in irrigation control research. Four models that represent the progression from outdoor, “big leaf” estimates to indoor, greenhouse–specific formulations a
Publikováno v:
2001 Sacramento, CA July 29-August 1,2001.
A systematic approach for fertigation operation and verification was studied to establish mathematical relationships between desired crop recipes, fertigator hardware settings, and software settings. An experiment consisting of five nutrient treatmen
Publikováno v:
2001 Sacramento, CA July 29-August 1,2001.
A lysimeter study was conducted to evaluate evapotranspiration combination models using evapotranspiration (ET) rates of Red Sunset red maple (Acer Rubrum ‘Red Sunset’) trees grown in a controlled-environment greenhouse. The measured ET was compa