Journal of Practical Agriculture & Fisheries Research (현장농수산연구지)

Korea National University of Agriculture and Fisheries (국립한국농수산대학교 교육개발센터)
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A Research on None Covering of Top-soil for Rice Seedling Nursery for Sparse Machine Transplanted Rice

벼 소식재배를 위한 무복토 육묘 연구

  • Park, K.H. (Department of Food Crops, Korea National College of Agriculture and Fisheries) ;
  • Ryu, H.Y. (Department of Food Crops, Korea National College of Agriculture and Fisheries)
  • 박광호 (국립한국농수산대학 식량작물학과) ;
  • 류훈열 (국립한국농수산대학 식량작물학과)
  • Received : 2019.10.16
  • Accepted : 2019.12.04
  • Published : 2019.12.20
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Abstract

To determine none top soil covering in rice seedling nursery method for the sparse machine transplanting, four different sowing methods were tested. Shoot and root length, fresh weight, leaf number and color using leaf color chart(LCC) and SPAD were collected as the data comparison of methods. The seedling height showed the highest growth according to the conventional (230g seed rate of pre-emerged seeds and top-soil covering) > high sowing density 1 (290g seed rate of pre-emerged seeds and top-soil covering) ≥ high sowing density 2(290g seed rate of pre-emerged seeds and none top-soil covering) > high sowing density 3(290g seed rate of iron-coated seeds and none top-soil covering). There was any statistical difference between groups in root length, leaf number, LCC, and SPAD values. Thus, a high sowing density of 290g for rice nursery seedling box was recommended to the sparse machine transplanting in rice cultivation with the none top-soil covering method, enabling convenient handling in transportation and machine transplanting work.

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References

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