지원사업
학술연구/단체지원/교육 등 연구자 활동을 지속하도록 DBpia가 지원하고 있어요.
커뮤니티
연구자들이 자신의 연구와 전문성을 널리 알리고, 새로운 협력의 기회를 만들 수 있는 네트워킹 공간이에요.
논문 기본 정보
- 자료유형
- 학술저널
- 저자정보
- 발행연도
- 2019.8
- 수록면
- 178 - 185 (8page)
이용수
초록· 키워드
오류제보하기
Irrigation demands (ID) of crops were, traditionally, determined with weather condition and crop characteristics estimated by reference evaopotranspiration (ET<SUB>0</SUB>) and crop coefficients (K<SUB>c</SUB>), respectively. In plastic house, the cultivation condition related to water consumption should be considered at establishing irrigation requirement. We assumed two scenarios to reflect cultivation condition on irrigation demands (ID) : i) ID = ET<SUB>0 </SUB>× K<SUB>cp</SUB> and ii) ID = ET<SUB>op</SUB> × K<SUB>cp</SUB> when ET<SUB>op</SUB> and K<SUB>cp</SUB> indicate ET<SUB>0</SUB> measured in plastic house (PH) and K<SUB>c </SUB>for crops cultivated in pH, respectively. The former evaluates ID based on ET<SUB>0</SUB> in open field (OF) and the latter does ID with ET<SUB>0</SUB> in pH. The ET<SUB>0</SUB> was estimated by water balance (WB) equation using lysimeter and FAO Penman-Monteith (FAO PM) equation during Jun. 16th to Oct. 31th. The FAO PM method was found to describe well ET<SUB>0</SUB> in OF during Jun. to Sept., but to overestimate in OF & PH during Oct. because of low temperature for grass growth in Korea. The value of solar radiation and ET0 calculated by FAO PM were high correlation between OF and PH during Jun. to Sept., but different with period, Jun. 16-Jul. 11(1<SUP>st</SUP>) and Aug. 22-Sept. 30(2<SUP>nd</SUP>). The values of solar radiation were similar during 1<SUP>st</SUP>, but lower 35% in PH than OF during 2<SUP>nd</SUP> period, on average. The ET<SUB>0</SUB> was lower 18% in PH than OF during 1<SUP>st</SUP> (3.15 mm day<SUP>-1</SUP> in OF, 2.55 mm day<SUP>-1</SUP> in PH) and lower 46% in PH than OF during 2<SUP>nd</SUP> period, on average (3.66 mm day<SUP>-1</SUP> in OF, 2.00 mm day<SUP>-1</SUP> in PH). It resulted from reduced solar radiation intercepted by plastic film. Based on the results, we concluded that FAO PM eq. was recommendable in calculating ET<SUB>0 </SUB>and calculation of ID based on i) ET<SUB>0</SUB> was more acceptable than using ii) ET<SUB>op</SUB>. Furthermore, establishing K<SUB>cp</SUB> pairing ET<SUB>0</SUB> would be the next step to complement evaluating ID in pH.
목차
ABSTRACT
Introduction
Materials and Methods
Results and Discussion
Conclusions
References
참고문헌 (16)
참고문헌 신청
Allen, R.G., L.S. Pereira, D. Raes, and M. Smith. 1998. Crop evapotranspiration. FAO, Rome.
Beard, J.B. 1972. Turfgrass : Science and culture. Prentice-Hall Inc., Englewood Cliffs, New Jersey, USA.
Cho, I.H., S.J. Jo, T.Y. Kim, N.Y. Heo, and Y.S. Kwon. 1997. Effects of covering materials on light environment in protected horticulture. (6)1:87-91. In proceedings of Korean Soc. for Bio-Environment Control conference. The Korean society for Bio-Environment Control, Jinju, Korea.
Chun, H., Y.J. Choi, Y.H. Choi, H.J. Kim, S.Y. Lee, C.S. Jeong, Y.S. Shin, and C.D. Choi. 2007. Microclimate of greenhouses covered with functional film. J. Bio-Environment Control. 16(2):96:100.
Droogers, P. and R.G. Allen. 2002. Estimating reference evapotranspiration under inaccurate data conditions. Irrigation and Drainage systems. 16:33-45.
Beard, J.B. 1972. Turfgrass : Science and culture. Prentice-Hall Inc., Englewood Cliffs, New Jersey, USA.
Cho, I.H., S.J. Jo, T.Y. Kim, N.Y. Heo, and Y.S. Kwon. 1997. Effects of covering materials on light environment in protected horticulture. (6)1:87-91. In proceedings of Korean Soc. for Bio-Environment Control conference. The Korean society for Bio-Environment Control, Jinju, Korea.
Chun, H., Y.J. Choi, Y.H. Choi, H.J. Kim, S.Y. Lee, C.S. Jeong, Y.S. Shin, and C.D. Choi. 2007. Microclimate of greenhouses covered with functional film. J. Bio-Environment Control. 16(2):96:100.
Droogers, P. and R.G. Allen. 2002. Estimating reference evapotranspiration under inaccurate data conditions. Irrigation and Drainage systems. 16:33-45.
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