Sprinkler and Corn Canopy Effects on Water Application Characteristics
Water application characteristics of a very low pressure spray sprinkler (40 kPa), a low pressure spray sprinkler (100 kPa), a medium pressure impact sprinkler (170 kPa), and a high pressure impact sprinkler (345 kPa) were evaluated under field conditions. Average field application rates varied from...
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| Veröffentlicht in: | Journal of irrigation and drainage engineering 2001-10, Vol.127 (5), p.272-276 |
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| container_end_page | 276 |
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| container_title | Journal of irrigation and drainage engineering |
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| creator | DeBoer, D. W Stange, K. A Beck, D. L |
| description | Water application characteristics of a very low pressure spray sprinkler (40 kPa), a low pressure spray sprinkler (100 kPa), a medium pressure impact sprinkler (170 kPa), and a high pressure impact sprinkler (345 kPa) were evaluated under field conditions. Average field application rates varied from 42 to 156 mm h and maximum 5-min application rates varied from 54 to 226 mm h. Both were inversely related to sprinkler nozzle pressure in a manner that can be described by a logarithmic relationship. Maximum 5-min and 10-min application rates were, respectively, about 20 and 10% higher than average rates for the irrigation events. The 100, 170, and 345 kPa sprinklers produced application uniformity coefficients of 95% for single events and up to 99% for sequential events. About 70% of applied irrigation water reached the soil surface within a 200-mm diameter area at the base of corn plants. Maximum water application rates at the base of corn plants were amplified from three to four times when compared with above-canopy rates. |
| doi_str_mv | 10.1061/(ASCE)0733-9437(2001)127:5(272) |
| format | Article |
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The 100, 170, and 345 kPa sprinklers produced application uniformity coefficients of 95% for single events and up to 99% for sequential events. About 70% of applied irrigation water reached the soil surface within a 200-mm diameter area at the base of corn plants. Maximum water application rates at the base of corn plants were amplified from three to four times when compared with above-canopy rates.</description><subject>Agricultural and forest climatology and meteorology. Irrigation. Drainage</subject><subject>Agronomy. Soil science and plant productions</subject><subject>Biological and medical sciences</subject><subject>Fundamental and applied biological sciences. Psychology</subject><subject>General agronomy. Plant production</subject><subject>Irrigation. 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Plant production</topic><topic>Irrigation. Drainage</topic><topic>TECHNICAL PAPERS</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>DeBoer, D. W</creatorcontrib><creatorcontrib>Stange, K. A</creatorcontrib><creatorcontrib>Beck, D. L</creatorcontrib><collection>Pascal-Francis</collection><collection>CrossRef</collection><collection>Aqualine</collection><collection>Water Resources Abstracts</collection><collection>Environmental Sciences and Pollution Management</collection><collection>Technology Research Database</collection><collection>Engineering Research Database</collection><collection>Civil Engineering Abstracts</collection><jtitle>Journal of irrigation and drainage engineering</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>DeBoer, D. W</au><au>Stange, K. A</au><au>Beck, D. L</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Sprinkler and Corn Canopy Effects on Water Application Characteristics</atitle><jtitle>Journal of irrigation and drainage engineering</jtitle><date>2001-10-01</date><risdate>2001</risdate><volume>127</volume><issue>5</issue><spage>272</spage><epage>276</epage><pages>272-276</pages><issn>0733-9437</issn><eissn>1943-4774</eissn><coden>JIDEDH</coden><abstract>Water application characteristics of a very low pressure spray sprinkler (40 kPa), a low pressure spray sprinkler (100 kPa), a medium pressure impact sprinkler (170 kPa), and a high pressure impact sprinkler (345 kPa) were evaluated under field conditions. Average field application rates varied from 42 to 156 mm h and maximum 5-min application rates varied from 54 to 226 mm h. Both were inversely related to sprinkler nozzle pressure in a manner that can be described by a logarithmic relationship. Maximum 5-min and 10-min application rates were, respectively, about 20 and 10% higher than average rates for the irrigation events. The 100, 170, and 345 kPa sprinklers produced application uniformity coefficients of 95% for single events and up to 99% for sequential events. About 70% of applied irrigation water reached the soil surface within a 200-mm diameter area at the base of corn plants. Maximum water application rates at the base of corn plants were amplified from three to four times when compared with above-canopy rates.</abstract><cop>Reston, VA</cop><pub>American Society of Civil Engineers</pub><doi>10.1061/(ASCE)0733-9437(2001)127:5(272)</doi><tpages>5</tpages></addata></record> |
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| identifier | ISSN: 0733-9437 |
| ispartof | Journal of irrigation and drainage engineering, 2001-10, Vol.127 (5), p.272-276 |
| issn | 0733-9437 1943-4774 |
| language | eng |
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| source | American Society of Civil Engineers:NESLI2:Journals:2014 |
| subjects | Agricultural and forest climatology and meteorology. Irrigation. Drainage Agronomy. Soil science and plant productions Biological and medical sciences Fundamental and applied biological sciences. Psychology General agronomy. Plant production Irrigation. Drainage TECHNICAL PAPERS |
| title | Sprinkler and Corn Canopy Effects on Water Application Characteristics |
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