Study on Physical Characters of Soilless Cultivation Matrix and Cultivation Techniques of Neottopteris antique(PDF)

《北方园艺》[ISSN:1001-0009/CN:23-1247/S]

Title:: Study on Physical Characters of Soilless Cultivation Matrix and Cultivation Techniques of Neottopteris antique

Author(s):: MA Fu-sheng; LIU Hong-lu; WU Wen-yong; YANG Sheng-li; Beijing Hydraulic Research Institute，Beijing Engineering Technique Research Center for Exploration and Utilization of Non-Conventional Water Resources and Water Use Efficiency，Beijing 100048

Keywords:: Neottopteris antique; soilless culture; substrate; unite weight

Abstract:: The physical characteristics of three kinds of substrate and Neottopteris antique culture experiment were investigated.The experimental substrate included mixed peat substrate，PINDSTRUP substrate and sphagna substrate.The experimental Neottopteris antique was planted in plastic pot with three kinds of substrate.The results showed that dry unit weight had obvious difference and total porosity had no obvious difference between the substrates(P<0.05).The water-holding porosity and gas-porosity had no obvious difference between mixed peat substrate and PINDSTRUP substrate，but the water-holding porosity of sphagna substrate was lower and gas-porosity was higher obviously compared with the other two kinds of substrate(P<0.05).The daily change process of leaf transpiration rate and photosynthetic rate were similar for all treatments.The growth and water physiological indexes were influenced by irrigation quota and substrate，the best growth were gained from the PINDSTRUP substrate，the worst growth were gained from the mixed peat substrate.

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Last Update: 2014-09-01