Academic Journal
Effects of humidity on tomato (Lycopersicon Esculentum cv. Truss) water uptake, yield, and dehumidification cost
| العنوان: | Effects of humidity on tomato (Lycopersicon Esculentum cv. Truss) water uptake, yield, and dehumidification cost |
|---|---|
| المؤلفون: | M Trigui, S F Barrington, L Gauthier |
| المساهمون: | The Pennsylvania State University CiteSeerX Archives |
| المصدر: | http://csbe-scgab.ca/docs/journal/41/41_3_135_ocr.pdf. |
| سنة النشر: | 1999 |
| المجموعة: | CiteSeerX |
| الوصف: | Effects of humidity effect on tomato (Lycopersicon Esculentum cv. Truss) water uptake, yield, and dehumidification cost. Can. Agric. Eng. 41: 135-140. Air water-vapour pressure deficit is the prime factor controlling plant water uptake in greenhouses. In tum, plant water uptake affects several physiological processes such as pollination, plant growth, and fruit yield. In this study, plant water uptake and fruit yield were measured under four different ambient water-vapour pressure deficits (VPD). Four identical greenhouses were used to produce tomatoes under four different regimes of VPD. Greenhouses #1 and #2 were kept under a low and high VPD, respectively, while greenhouse #3 was kept under a low VPD during the day and a high VPD during the night. Greenhouse #4 was kept under a VPD dynamically controlled to maintain plant water uptake at 800 mUplant per day. Plant water uptake and yield were highly correlated to ambient VPD as greenhouses # 1and #2 produced a low and high water uptake rate and yield, respectively. Greenhouse #3 produced an intermediate water uptake and yield, while greenhouse #4 lead to a water uptake and yield as high as that of greenhouse #2. Dehumidification costs were also highly correlated to VPD, as low VPD produced low water uptake requiring little dehumidification. Thus, managing plant water uptake can lead to a more efficient crop production. Le |
| نوع الوثيقة: | text |
| وصف الملف: | application/pdf |
| اللغة: | English |
| Relation: | http://citeseerx.ist.psu.edu/viewdoc/summary?doi=10.1.1.1049.8869; http://csbe-scgab.ca/docs/journal/41/41_3_135_ocr.pdf |
| الاتاحة: | http://citeseerx.ist.psu.edu/viewdoc/summary?doi=10.1.1.1049.8869 http://csbe-scgab.ca/docs/journal/41/41_3_135_ocr.pdf |
| Rights: | Metadata may be used without restrictions as long as the oai identifier remains attached to it. |
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