Automatic handling of shade net and irrigation in greenhouse with tomatoes
Greenhouse vegetable production in México and worldwide has become important. Following greenhouses automation, a simple controller was designed to open and close shading nets to reduce incident radiation and excessive evapotranspiration. Irrigation period were radiation controlled and did not turn...
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| Format: | Article |
| Language: | English |
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Universidad Nacional de Trujillo
2011-03-01
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| Series: | Scientia Agropecuaria |
| Subjects: | |
| Online Access: | http://www.revistas.unitru.edu.pe/index.php/scientiaagrop/article/view/36 |
| _version_ | 1811295715276619776 |
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| author | Federico Hahn |
| author_facet | Federico Hahn |
| author_sort | Federico Hahn |
| collection | DOAJ |
| description | Greenhouse vegetable production in México and worldwide has become important. Following greenhouses automation, a simple controller was designed to open and close shading nets to reduce incident radiation and excessive evapotranspiration. Irrigation period were radiation controlled and did not turn on the pump with clouds or moon radiation, saving 35% of water. The nets remained closed during the night and were opened during scarce radiation. In the tomato greenhouse experiment, every three months analysis was carried on manual and automatic net control. Maximum incident radiation was achieved in May and August when no shading nets were used. Air temperature increased to 28°C in August decreasing by 50% fruit size. Fruit temperature decreased 2.5°C when nets were used decreasing tomato cracking. |
| first_indexed | 2024-04-13T05:37:37Z |
| format | Article |
| id | doaj.art-9eeb7a07d679445cb3fa95c9fc841bf7 |
| institution | Directory Open Access Journal |
| issn | 2077-9917 2306-6741 |
| language | English |
| last_indexed | 2024-04-13T05:37:37Z |
| publishDate | 2011-03-01 |
| publisher | Universidad Nacional de Trujillo |
| record_format | Article |
| series | Scientia Agropecuaria |
| spelling | doaj.art-9eeb7a07d679445cb3fa95c9fc841bf72022-12-22T03:00:13ZengUniversidad Nacional de TrujilloScientia Agropecuaria2077-99172306-67412011-03-0121313710.17268/sci.agropecu.2011.01.04Automatic handling of shade net and irrigation in greenhouse with tomatoesFederico HahnGreenhouse vegetable production in México and worldwide has become important. Following greenhouses automation, a simple controller was designed to open and close shading nets to reduce incident radiation and excessive evapotranspiration. Irrigation period were radiation controlled and did not turn on the pump with clouds or moon radiation, saving 35% of water. The nets remained closed during the night and were opened during scarce radiation. In the tomato greenhouse experiment, every three months analysis was carried on manual and automatic net control. Maximum incident radiation was achieved in May and August when no shading nets were used. Air temperature increased to 28°C in August decreasing by 50% fruit size. Fruit temperature decreased 2.5°C when nets were used decreasing tomato cracking.http://www.revistas.unitru.edu.pe/index.php/scientiaagrop/article/view/36greenhouseshading managementradiationtomato weightphoto-cell. 1. Introducción La temperatura del aire afecta la velocidad de crecimientodisminuye el peso del tomate (Hurd y GravesIrrigation managementphoto-cell. |
| spellingShingle | Federico Hahn Automatic handling of shade net and irrigation in greenhouse with tomatoes Scientia Agropecuaria greenhouse shading management radiation tomato weight photo-cell. 1. Introducción La temperatura del aire afecta la velocidad de crecimiento disminuye el peso del tomate (Hurd y Graves Irrigation management photo-cell. |
| title | Automatic handling of shade net and irrigation in greenhouse with tomatoes |
| title_full | Automatic handling of shade net and irrigation in greenhouse with tomatoes |
| title_fullStr | Automatic handling of shade net and irrigation in greenhouse with tomatoes |
| title_full_unstemmed | Automatic handling of shade net and irrigation in greenhouse with tomatoes |
| title_short | Automatic handling of shade net and irrigation in greenhouse with tomatoes |
| title_sort | automatic handling of shade net and irrigation in greenhouse with tomatoes |
| topic | greenhouse shading management radiation tomato weight photo-cell. 1. Introducción La temperatura del aire afecta la velocidad de crecimiento disminuye el peso del tomate (Hurd y Graves Irrigation management photo-cell. |
| url | http://www.revistas.unitru.edu.pe/index.php/scientiaagrop/article/view/36 |
| work_keys_str_mv | AT federicohahn automatichandlingofshadenetandirrigationingreenhousewithtomatoes |