Comparison on Irrigation Management Methods by Integrated Solar Radiation and Drainage Level Sensor in Rockwool and Coir Bag Culture for Tomato
2010
Kim, S.E., Sangmyung University, Cheonan, Republic of Korea | Sim, S.Y., Gyeonggi-Do Agricultural Research and Extension Services, Hwasung, Republic of Korea | Kim, Y.S., Sangmyung University, Cheonan, Republic of Korea
Irrigation management methods controlled by integrated solar radiation (ISR) or drainage level sensor were evaluated in rockwool or coir bag culture as tomato (Solanum lycopersicum L.) production system. Substrate water content and drainage percentage were more stable in the drainage level sensor method than in the ISR method regardless of substrate type. Total yield and marketable yield were high in the drainage level sensor method, but not between substrates in the same irrigation management method. Sugar content was affected more by the substrate type than irrigation method. The drainage level sensor method was elucidated to be better than the ISR method regardless of substrate type.
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