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Study on Cup Seedling and Mechanical Transplanting Technology of Rice in Cold Region
Pages: 3-6
Year: Issue:  2
Journal: Reclaiming and Rice Cultivation

Keyword:  RiceCup seedlingSeedling qualityEconomic profit;
Abstract: At present, there are some problems in rice production, such as poor seedling quality, the injury of rice seedling during transplanting, long time reviving and the low survival rate of low position tillers. Therefore, the objective of this study was to evaluate the performance of different cup seedlings and mechanical transplanting technology for rice in cold region. In this experiment, pure cup seedling, big cup seeding, small cup seeding and traditional blanket seedling were compared. The results indicated that the big cup and pure cup seedlings significantly increased rice yield over traditional blanket seedling by 17.3% and 19.8%, respectively. Due to cost differences, the big cup seedling treatment was better than pure cup seedling treatment, but both increased economic profit compared with the traditional blanket seedling treatment by 13.6% and 9.3%, respectively. Small cup seedling treatment had similar performance as traditional blanket seedling treatment. the cup seedlings can not match the local high speed transplanter yet, making it difficult to be popularized in large area and need to be adjusted and improved further.
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