Journal of the Japanese Society of Agricultural Technology Management
Online ISSN : 2424-2403
Print ISSN : 1341-0156
Research for Storage of Seeded Plug Trays in Onion
Hisaya YAMADAAkira SHIMADAHironori HIRAI
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JOURNAL FREE ACCESS

2004 Volume 11 Issue 1 Pages 7-11

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Abstract
The optimum planting period of onion plugs is less than a week and large number of plugs are required because of the high planting density, with the result that the labor for producing plugs is concentrated into the period. To smooth the peak of the labor for producing plugs and to save the storage space of the seedling, the storage of the seeded plug trays was discussed. Seeded plug trays were stored up to 71days under the dark condition at 2℃. After the storage, seeds were germinated in the open-field and were transplanted mechanically. Then the cultivation experiment was carried out. The experimental results showed that the average weight of the onion was about 250g and the average yield was more than 6 tons per decare in any storing periods. There were no significant differences in the average weight and yield between stored and unstored plugs. Storage of the trays before the germination required less storage space compared with that of the seedling. These results showed this storage method of the plug trays was effective for leveling the labor concentration and saving the storage space.
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© 2004 Japanese Society of Agricultural Technology Management
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