Modeling the absorptive function of intact roots in response to environments for effective environmental control in plant factories
| Project/Area Number |
26850157
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| Research Category |
Grant-in-Aid for Young Scientists (B)
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| Allocation Type | Multi-year Fund |
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| Research Field |
Agricultural environmental engineering/Agricultural information engineering
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| Research Institution | Yamaguchi University |
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Principal Investigator |
Sago Yuki 山口大学, 創成科学研究科, 助教(テニュアトラック) (20648852)
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| Project Period (FY) |
2014-04-01 – 2017-03-31
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| Project Status |
Completed (Fiscal Year 2016)
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| Budget Amount *help |
¥4,030,000 (Direct Cost: ¥3,100,000、Indirect Cost: ¥930,000)
Fiscal Year 2016: ¥780,000 (Direct Cost: ¥600,000、Indirect Cost: ¥180,000)
Fiscal Year 2015: ¥1,170,000 (Direct Cost: ¥900,000、Indirect Cost: ¥270,000)
Fiscal Year 2014: ¥2,080,000 (Direct Cost: ¥1,600,000、Indirect Cost: ¥480,000)
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| Keywords | モデル化 / 養水分吸収 / チップバーン / 硝酸態窒素 / 高付加価値化 / 人工光型植物工場 |
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| Outline of Final Research Achievements |
For profitable and sustainable production of vegetables in plant factories, methods for environmental control based on the physiological activity of intact plants that respond to change in environmental conditions are essential. We quantified and modeled the effects of environmental conditions and transpiration rate on calcium and nitrate absorption and partitioning in roots and leaves of butterhead lettuce. The model was successfully applied for quantification of tipburn resistance in cultivars by estimating the model parameters of each cultivars. In additions, the model could be applied to reduce nitrate accumulation in leafy vegetables by estimating nitrate absorption and amount of nitrate required for growth based on the model, and supplying the estimated amount of nitrate.
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Report
(4 results)
Research Products
(30 results)
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[Journal Article] Advantages of pre-harvest temporal flooding in a catch crop field in relation to soil moisture and nutrient salt removal by root uptake2014
Author(s)
Yasutake, D., Awata, K., Kondo, K., Yamane, S., Matsuoka, M., Maeda, M., Nagare, H., Nomiyama, R., Sago Y., Kitano, M., and Fujiwara, T.
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Journal Title
Biologia
Volume: 69
Issue: 11
Pages: 1577-1584
DOI
Related Report
Peer Reviewed / Open Access / Acknowledgement Compliant
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