Field evaluation of a water use model for potatoes
A water use model for potatoes (Solanum tuberosum L.) was calibrated and tested. The model requires phenological relationships for estimating emergence, degree of crop cover and rooting depth. These weather-driven crop growth functions were previously calibrated using field data from 1994 and 1995....
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| Veröffentlicht in: | Canadian journal of soil science 1998-08, Vol.78 (3), p.441-448 |
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| container_issue | 3 |
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| container_title | Canadian journal of soil science |
| container_volume | 78 |
| creator | Shaykewich, C.F Ash, G.H.B Raddaz, R.L Tomasiewicz, D.J |
| description | A water use model for potatoes (Solanum tuberosum L.) was calibrated and tested. The model requires phenological relationships for estimating emergence, degree of crop cover and rooting depth. These weather-driven crop growth functions were previously calibrated using field data from 1994 and 1995. In this paper, the model was tested using field data from the 1996 growing season at two locations. The 1996 crop growth parameters were estimated fairly accurately. This contributed to reasonably accurate (average bias |
| doi_str_mv | 10.4141/S97-088 |
| format | Article |
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The model requires phenological relationships for estimating emergence, degree of crop cover and rooting depth. These weather-driven crop growth functions were previously calibrated using field data from 1994 and 1995. In this paper, the model was tested using field data from the 1996 growing season at two locations. The 1996 crop growth parameters were estimated fairly accurately. This contributed to reasonably accurate (average bias <3 mm, root mean square error <15 mm) root zone available soil water estimates by the model. Thus, the model could be used in irrigation scheduling. 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The model requires phenological relationships for estimating emergence, degree of crop cover and rooting depth. These weather-driven crop growth functions were previously calibrated using field data from 1994 and 1995. In this paper, the model was tested using field data from the 1996 growing season at two locations. The 1996 crop growth parameters were estimated fairly accurately. This contributed to reasonably accurate (average bias <3 mm, root mean square error <15 mm) root zone available soil water estimates by the model. Thus, the model could be used in irrigation scheduling. Key words: Evapotranspiration, rooting depth, ground cover</description><subject>available water</subject><subject>determination</subject><subject>evaluation</subject><subject>irrigation requirement</subject><subject>irrigation scheduling</subject><subject>plant-water relations</subject><subject>simulation models</subject><subject>Solanum tuberosum</subject><subject>water use</subject><issn>0008-4271</issn><issn>1918-1841</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>1998</creationdate><recordtype>article</recordtype><recordid>eNotkMFKAzEURYMoWKv4CWalq9G8JDNJllKsCgUXteuQmbzIyLSpyYzi3zdSV4_LO9wLh5BrYPcSJDysjaqY1idkBgZ0BVrCKZkxxnQluYJzcpHzZ4lKgpkRvuxx8BS_3TC5sY87GgN19MeNmOiUkW6jx4GGmOg-jm6MmC_JWXBDxqv_Oyeb5dP74qVavT2_Lh5XVScAxkqEtvGsYS0XNbTOaMebMilRaY-iwdrX5afq2kAQ4LxA2WmOngcDHlGJObk99u5T_Jowj3bb5w6Hwe0wTtmC4qwWihfw7gh2KeacMNh96rcu_Vpg9s-JLU5scVLImyMZXLTuI_XZbtacgWDccDBKiwPuG1s0</recordid><startdate>19980801</startdate><enddate>19980801</enddate><creator>Shaykewich, C.F</creator><creator>Ash, G.H.B</creator><creator>Raddaz, R.L</creator><creator>Tomasiewicz, D.J</creator><scope>FBQ</scope><scope>AAYXX</scope><scope>CITATION</scope><scope>7UA</scope><scope>C1K</scope></search><sort><creationdate>19980801</creationdate><title>Field evaluation of a water use model for potatoes</title><author>Shaykewich, C.F ; Ash, G.H.B ; Raddaz, R.L ; Tomasiewicz, D.J</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-c311t-3fb6d060b2351ba98a264194e78de36e5d50b275591f31ad3e4c82ed2f91dee73</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>1998</creationdate><topic>available water</topic><topic>determination</topic><topic>evaluation</topic><topic>irrigation requirement</topic><topic>irrigation scheduling</topic><topic>plant-water relations</topic><topic>simulation models</topic><topic>Solanum tuberosum</topic><topic>water use</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Shaykewich, C.F</creatorcontrib><creatorcontrib>Ash, G.H.B</creatorcontrib><creatorcontrib>Raddaz, R.L</creatorcontrib><creatorcontrib>Tomasiewicz, D.J</creatorcontrib><collection>AGRIS</collection><collection>CrossRef</collection><collection>Water Resources Abstracts</collection><collection>Environmental Sciences and Pollution Management</collection><jtitle>Canadian journal of soil science</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Shaykewich, C.F</au><au>Ash, G.H.B</au><au>Raddaz, R.L</au><au>Tomasiewicz, D.J</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Field evaluation of a water use model for potatoes</atitle><jtitle>Canadian journal of soil science</jtitle><date>1998-08-01</date><risdate>1998</risdate><volume>78</volume><issue>3</issue><spage>441</spage><epage>448</epage><pages>441-448</pages><issn>0008-4271</issn><eissn>1918-1841</eissn><abstract>A water use model for potatoes (Solanum tuberosum L.) was calibrated and tested. The model requires phenological relationships for estimating emergence, degree of crop cover and rooting depth. These weather-driven crop growth functions were previously calibrated using field data from 1994 and 1995. In this paper, the model was tested using field data from the 1996 growing season at two locations. The 1996 crop growth parameters were estimated fairly accurately. This contributed to reasonably accurate (average bias <3 mm, root mean square error <15 mm) root zone available soil water estimates by the model. Thus, the model could be used in irrigation scheduling. Key words: Evapotranspiration, rooting depth, ground cover</abstract><doi>10.4141/S97-088</doi><tpages>8</tpages><oa>free_for_read</oa></addata></record> |
| fulltext | fulltext |
| identifier | ISSN: 0008-4271 |
| ispartof | Canadian journal of soil science, 1998-08, Vol.78 (3), p.441-448 |
| issn | 0008-4271 1918-1841 |
| language | eng |
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| source | Elektronische Zeitschriftenbibliothek - Frei zugängliche E-Journals; Alma/SFX Local Collection; Free Full-Text Journals in Chemistry |
| subjects | available water determination evaluation irrigation requirement irrigation scheduling plant-water relations simulation models Solanum tuberosum water use |
| title | Field evaluation of a water use model for potatoes |
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