Influence of Twin‐Row Spacing and Nitrogen Rates on High‐Frequency Trickle‐Irrigated Sweet Corn

Phene, C. J.; Beale, O. W.

doi:10.2136/sssaj1979.03615995004300060033x

Cited by 9 publications

(5 citation statements)

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“…Subsurface drip irrigation (SDI) laterals are buried underground, supplying water and nutrients directly to root zones (Phene and Beale 1979;Lamm 1995;Camp et al 1997). DI and SDI are modern and enhanced water-and fertilizer-saving methods (Phene et al 1991;Solomon and Jorgensen 1992;Lamm 1995Lamm , 2002Camp 1998;Ayars et al 1999).…”

Section: Introductionmentioning

confidence: 99%

Bell pepper response to surface and subsurface drip irrigation under different fertigation levels

Kong

Wang³

et al. 2011

Irrig Sci

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A two-year field experiment was conducted in 2007 and 2008 to investigate different bell pepper responses to subsurface drip irrigation (SDI) and surface drip irrigation (DI) under four nitrogen levels: 0, 75, 150, and 300 kg/ha N (N 0 , N 75 , N 150 , and N 300 , respectively). Irrigation interval was set at 4 days. Bell pepper yield under SDI was significantly higher than that under DI by 4% in 2007 (13% in 2008). Water consumption under SDI was lower than that under DI by 6.7% in 2007 (7.3% in 2008). Meanwhile, root length density under SDI was obviously higher than that under DI by 11.8% in 2007 (12.5% in 2008). The percentage of root length below 10-cm soil depth under SDI was higher than that under DI by 7%, proving that SDI promotes crop root growth and enhances downward root development. Soil N residue under SDI was lesser than that under DI. Lastly, SDI with N application of 150 kg/ha is recommended as an optimal fertigation practice in improving bell pepper yield and water-use efficiency, as well as in NO 3 --N leaching.

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Section: Introductionmentioning

confidence: 99%

Bell pepper response to surface and subsurface drip irrigation under different fertigation levels

Kong

Wang³

et al. 2011

Irrig Sci

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“…One of the most effective methods of applying water and nitrogen is the use of microirrigation or subsurface drip irrigation (SDI). This method of irrigation can supply water and nutrients to the roots as needed (Lamm, 1995;Phene and Beale, 1979;Camp et al, 1997). In the southeastern United States, SDI can be quite useful where leaching potential is high and field orientation for a center pivot irrigation is not economically feasible (Bosch et al, 1998).…”

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confidence: 99%

Cotton Yield and Grade Response to Nitrogen Applied Daily Through a Subsurface Drip Irrigation System

Sorensen¹,

Báder²,

Wilson³

2004

Applied Engineering in Agriculture

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Nitrogen is typically applied to cotton (Gossypium hirsutum L.) in two or three split applications, however, with subsurface drip irrigation (SDI), nitrogen can be applied daily. The major objective was to show yield and grade response of cotton where nitrogen was applied daily through a SDI system at two nitrogen application strategies compared with overhead sprinkler (SP) and non-irrigated (DRY) regimens. The SDI system provided daily irrigation and nitrogen to a randomized block design with three irrigation levels (100%, IL1; 75%, IL2; and 50%, IL3); two nitrogen levels, N1 and N2, (67 and 101 kg ha-1); two drip tube lateral spacings, IR and AM (individual row = IR, alternate row middles = AM), with three replications per treatment. Nitrogen was applied in split applications to the SP and DRY areas in a randomized block design. Cotton was planted following peanuts during the 1999 and 2000 growing seasons on a Tifton sandy loam soil (fine-loamy, kaolinitic, thermic Plinthic Kandiudults). In 1999, there was a 6% lint yield increase for N2 (total lint: 1484 kg ha-1), but there was no lint yield difference with nitrogen levels in 2000 (total lint: 1280 kg/ha). There was no yield difference with drip tube lateral spacing or irrigation level except at IL3 (50%) in 1999. Lint yield was higher in both the SDI and SP compared with the DRY regime. Differences within grade parameters were not consistent across years for micronaire, fiber strength, or fiber uniformity with respect to nitrogen applied or irrigation system. Overall, the application of nitrogen on a daily basis with SDI had the same lint yield and grade compared with SP and higher lint yield than the DRY. The lower nitrogen rate (N1) had the same yield as the higher nitrogen rate (N2) which suggests that lower nitrogen rates may be appropriate when using SDI.

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“…The wide bed, or twin row design (Fig 1c) has been used successfully in the Southeastern U.S. for corn (Phene, 1974;Phene and Beale, 1979), in Israel for cotton (Oron, 1984), and by producers in Arizona for numerous crops. This design has the same number of SDI laterals and plant rows per unit area as standard beds with laterals in alternate furrows (Fig.…”

Section: Introductionmentioning

confidence: 99%

SDI Bed Design Comparison for Soybean Emergence and Yield

Colaizzi¹,

Evett²,

Howell³

2006

2006 Portland, Oregon, July 9-12, 2006

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The authors are solely responsible for the content of this technical presentation. The technical presentation does not necessarily reflect the official position of the American Society of Agricultural and Biological Engineers (ASABE), and its printing and distribution does not constitute an endorsement of views which may be expressed. Technical presentations are not subject to the formal peer review process by ASABE editorial committees; therefore, they are not to be presented as refereed publications. Citation of this work should state that it is from an ASABE meeting paper. EXAMPLE: Author's Last Name, Initials. 2006. Title of Presentation. ASABE Paper No. 06xxxx. St. Joseph, Mich.: ASABE. For information about securing permission to reprint or reproduce a technical presentation, please contact ASABE at

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Influence of Twin‐Row Spacing and Nitrogen Rates on High‐Frequency Trickle‐Irrigated Sweet Corn

Cited by 9 publications

References 0 publications

Bell pepper response to surface and subsurface drip irrigation under different fertigation levels

Bell pepper response to surface and subsurface drip irrigation under different fertigation levels

Cotton Yield and Grade Response to Nitrogen Applied Daily Through a Subsurface Drip Irrigation System

SDI Bed Design Comparison for Soybean Emergence and Yield

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