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The Influence of the Medium on Plug Seedlings of Tomato and their Growth after Transplanting
Tomato plug seedling
The major components of tested media were while and black peat mosses and their physical and chemical properties were varied with ratios of perlite, vermiculite, sand and wetting agent. At the late stage, air-filled porosity of the media increased significantly then before tomato nursery. Container capacity decreased substantially at the late stage as compared to unused media. Total porosity fluctuated among different media while the change in blurk density was not 30 distinct. The pH values of media were changing toward 6.8-7.0 which conincide with the pH value of irrigation water and EC value of medium had decreased dramatically at the late stage of seedling growth then before nursery. To asses major seedling growth. The range of physical properties of those medium is not by rule and chemical properties such as pH value is 5.52 to 5.78 and EC value is 0.36 to 0.47 mS/cm. The major components of tested media were peat mosses and their physical properties fit with the demand of seedling growth . The influence of chemical properties, such as fertilizer content of medium and fertilizing practices are distinct. The N1, PR7A, TP1 and control were the best medium for 20 days after tomato seedling transplant.
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