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.
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Vegetables production in greenhouse are typically intensely managed with high inputs of fertilizers and irrigation water, which increases the risk of ground-water nitrate contamination. In 2010 and 2011, a study was conducted to determine the appropriate depth of soil moisture sensor for automatic irrigation control to use water and nitrogen efficiently under subsurface drip irrigation (SDI) systems. The irrigation line for SDI placed 30 cm below soil surface and tensiometer was used as soil moisture sensor. Three tensiometer treatments placed at 10 (SDI-T10), 20 (SDI-T20) and 30 cm (SDI-T30) depths below soil surface under SDI. These are also compared to SUR-T20 treatment where tensiometer placed at 20 cm below soil surface under surface drip irrigation (SUR) systems. The growth of cucumber was not statistically different between SUR and SDI without SDI-T30 treatment. Fruit yields (Mg/ha) were 57.0 and 56.9 (SDI-T10), 56.0 and 60.5 (SDI-T20), 40.9 and 41.2 (SDI-T30) and 56.6 and 54.3 (SUR-T20) for 2010 and 2011, respectively. Slightly higher total yield was observed in tensiometer placed 20 cm below the soil surface, although no significant differences were found between SDI-T10 and SDI-T20 under SDI treatments. In addition, nitrogen application rates and daily irrigation rates were lowest in SDI-T20 compared with other SDIs and SUR treatments. Nitrogen and daily irrigation application under SDI-T20 was lower than that under SUR-T20 by 6.0%. These findings suggested tensiometer 20 cm depth under SDI systems was best for cucumber production in greenhouse.
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재료 및 방법
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참고문헌 (25)
참고문헌 신청
1. [학술지(정기간행물)] - Al-Omran, A. M. / 2005 / Effect of drip irrigation on squash(Cucurbita pepo)yield and water use efficiency in sandy calcareous soils amended with clay deposits / Agric. Water Manage 73 : 43 ~ 55
2. [학술지(정기간행물)] - Ayars, J. E. / 1999 / Sursurface drip irrigation of row crops : a review of 15 years of research at the Water Management Research Laboratory / Agric. water management 42 : 1 ~ 27
3. [학술지(정기간행물)] - Blass, S / 1971 / "Drip irrigation", In: Drip (trickle) and automated irrigation in Israel. Water Commissioners Office / Ministry of Agriculture, Tel Aviv, Israel. 1 : 10 ~ 28
4. [학술지(정기간행물)] - Bucks, D. A. / 1981 / Subsurface trickle irrigation management with multiple cropping / Trans ASAE 24 : 1482 ~ 1489
5. [학술지(정기간행물)] - Camp, C. R / 1998 / Subsurface drip irrigation : a review / Trans. ASAE 41 (5) : 1353 ~ 1367
2. [학술지(정기간행물)] - Ayars, J. E. / 1999 / Sursurface drip irrigation of row crops : a review of 15 years of research at the Water Management Research Laboratory / Agric. water management 42 : 1 ~ 27
3. [학술지(정기간행물)] - Blass, S / 1971 / "Drip irrigation", In: Drip (trickle) and automated irrigation in Israel. Water Commissioners Office / Ministry of Agriculture, Tel Aviv, Israel. 1 : 10 ~ 28
4. [학술지(정기간행물)] - Bucks, D. A. / 1981 / Subsurface trickle irrigation management with multiple cropping / Trans ASAE 24 : 1482 ~ 1489
5. [학술지(정기간행물)] - Camp, C. R / 1998 / Subsurface drip irrigation : a review / Trans. ASAE 41 (5) : 1353 ~ 1367
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UCI(KEPA) : I410-ECN-0101-2014-520-002615465