Air and Root Temperature Effects on Growth of Lettuce, Lactuca Sativa, in Deep-flow Hydroponic Systems PDF Download
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Author: Helen Christine Thompson
Publisher:
ISBN:
Category :
Languages : en
Pages : 210
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Author: Helen Christine Thompson
Publisher:
ISBN:
Category :
Languages : en
Pages : 210
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Author: American Society for Horticultural Science
Publisher:
ISBN:
Category : Horticulture
Languages : en
Pages : 500
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Author: Jie He
Publisher:
ISBN:
Category :
Languages : en
Pages : 9
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The effects of different irradiances and different rootzone temperature on the growth response of three cultivars of Lactuca sativa L. (a temperate plant) namely Armada, Olympia, and Plama were studied using aeroponic systems under warm aerial temperatures.The rootzone temperatures were modified to 15 C, 20 C and 25 C respectively. The control comprised rootzone that was subjected to diurnal temperatures which ranged from 28 C to 39 C. Plants exposed to different rootzone temperatures were grown under three different light regimes in a greenhouse : 100%, 70% and 40% of prevailing solar radiation with maximal middy irradiances of ca 1800, 1300 and 700 umol m-2s-1 respectively on sunny days. For all the cultivars grown under different rootzone temperatures, photosynthesis rates decreased as the irradiances were decreased.
Author: Peter R. Hicklenton
Publisher:
ISBN:
Category :
Languages : en
Pages : 4
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Author: Leslie Simone Katzman
Publisher:
ISBN:
Category :
Languages : en
Pages : 214
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Author: Thikanang Silence Chiloane
Publisher:
ISBN:
Category :
Languages : en
Pages : 130
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Author: E. Goto
Publisher: Springer Science & Business Media
ISBN: 9401588899
Category : Science
Languages : en
Pages : 343
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Plant Production in Closed Ecosystems provides overviews of the current trends and concepts in plant production in closed or semi-closed environments. The overviews reflect both the present and future challenges that face the agricultural industry and the methods and tools which will meet these challenges. Plant Production in Closed Ecosystems contains the full texts of the Special Lectures from the International Symposium on Plant Production in Closed Ecosystems, plus several contributed papers. The challenges which await the agricultural industry are diverse. This diversity is reflected in the topics that were covered in the special lectures given by experts in the field. These topics included: greenhouse horticulture, hydroponics, micropropagation, food production in space, environmental control, co-generation, controlled ecological life support systems (CELSS), and resource conservation.
Author: Leo Marcelis
Publisher: Frontiers Media SA
ISBN: 2889742768
Category : Science
Languages : en
Pages : 311
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Author: Yuxin Tong
Publisher: Frontiers Media SA
ISBN: 2832526160
Category : Science
Languages : en
Pages : 195
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Author: Robert Tom Hinsch
Publisher:
ISBN:
Category :
Languages : en
Pages : 8
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