한국농림기상학회지, 제 5권 제3호(2003) (pISSN 1229-5671, eISSN 2288-1859)
Korean Journal of Agricultural and Forest Meteorology, Vol. 5, No. 3, (2003), pp. 191~199
ⓒ Author(s) 2014. CC Attribution 3.0 License.


남부지역 시설하우스 벼 극조기재배의 안전작기 설정

최장수(1), 안덕종(1), 원종건(1), 이슬필(1), 윤재탁(1), 김길웅(2)
(1)경상북도농업기술원, (2)경북대학교 농과대학

(2003년 05월 17일 접수; 2003년 09월 04일 수락)

Optimum Transplanting Time for Extremely Early Rice
Greenhouse Cultivation in the Southern Area

Jang-Soo Choi(1), Deok-Jong Ahn(1), Jong-Gun Won(1), Seong-Phil Lee(1),
Jae-Tak Yoon(1), Kil-Ung Kim(2)
(1)Gyeongbuk Provincial Agriculture Technology Administration, Daegu 702-320, Korea
(2)Collage of Agriculture, Kyungpook National University, Daegu 702-701, Korea

(Received May 17, 2003; Accepted September 04, 2003)

ABSTRACT
Optimum transplanting time for extremely early rice cultivation as an after-crop of fruit and vegetables under greenhouse conditions in the southern area was determined. Rice was transplanted on March 10, March 20, March 30, April 10 and April 20 far three years from 1998 to 2000. Meteorological computations for rice production were high for heading between early May and early July, but they were too low for heading between late July and early August. Especially the expected yield predicted with 35,000 spikelets, the average spikelets per $m^2$ 수식 이미지 for extremely early transplanting. Computation for heading between late July and early August was low by 106 kg/10a compared with that yield at heading during the same period in the field. As the transplanting date in extremely early rice cultivation was earlier) rice growth at early stages was more retarded by low temperature. Rice growth at heading stage recovered with high temperature, showing less difference for the transplanting date. Abnormal tillers occurred by 15.5∼22.2%. The contribution of 1,000 grain weight${\times}$ 수식 이미지ripened grain ratio to yield of the extremely early rice cultivation in the greenhouse was 50.6%, indicating 16% hi일or than the degree of panicle per $m^2$ 수식 이미지 on yield. The estimated optimum transplanting time on the basis of yield for the extremely early greenhouse rice cultivation ranged from March 19 to April 28, and the estimated critical transplanting date on the basis of accumulated effective temperature was March 12. Rice reduced the amount of NO$_3$ 수식 이미지-N by 97.1% and EC by 90.5% in greenhouse soil with continuous fruit/vegetables fer more than a 10-year period, and completely removed the root-knot nematodes.

Keyword: rice, meteorological values for rice production, extremely early rice cultivation, salt injury, greenhouse

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