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Paper Information

Journal:   JOURNAL OF AGRICULTURAL SCIENCE (UNIVERSITY OF TABRIZ)   2007 , Volume 17 , Number 2; Page(s) 41 To 53.
 
Paper: 

SUBSURFACE IRRIGATION CAPABILITY AND EFFECTIVE PARAMETERS ON ONION YIELD AND WATER USE EFFICIENCY

 
 
Author(s):  SAFI B.*, NEYSHABOURI M.R., NAZEMI A.H., MASIHA S., MIRLATIFI S.M.
 
* DEPARTMENT OF WATER ENGINEERING, FACULTY OF AGRICULTURE, UNIVERSITY OF TABRIZ, TABRIZ, IRAN
 
Abstract: 

Subsurface irrigation due to effective decrease in soil evaporation, runoff and deep percolation and to strict control on weeds and soil crusting has obvious advantage over the conventional irrigation systems. To evaluate its suitability for onion production, a field experiment was carried out in a sandy loam soil during two growing seasons at the research experimental station of the University of Tabriz, Iran. The experimental treatments comprised three irrigation tape spacing (0.6, 0.8 and lm) installed at 10cm depth, two irrigation depths equivalent to ETc and 0.8 ETc as predicted from Penman-Montieth ET-model and two methods of fertilizer application (manual and fertigation). Basin irrigation as a control and as a prevailed irrigation method in the onion producing region was also employed. Results indicated that yield difference between various treatment turned to be significant at 1% probability level. Subsurface irrigation with equivalent depth of 0.8 ETc and 0.6m tape spacing, produced maximum yield of 52.73 ton/ha. Fertigation comparing to the conventional fertilizer application led to 20% increase in yield under subsurface irrigation (ETc and 0.8 ETc treatment). Basin irrigation produced 40 ton/ha. Effective fertilizer use, better weed control and aeration in root medium with sufficient soil moisture all apparently attributed to the higher yield under subsurface irrigation. Seasonal water use achieved to 6200 and 4800 m3/ha at equivalent depth of ETc and 0.8 ETc under subsurface and to 6870 m3/ha under basin irrigation, respectively. These figures are 27.7, 44.9 and 19.8 percent lower with respect to the water use figure recorded for the region, implying that there may be saving in seasonal water use as much as 40% by adopting subsurface irrigation to the region, Maximum water use efficiency reached to 10.9 Kg/m3 under subsurface irrigation with 0.6m tape spacing and 0.8ETc indicating high productivity in the region for onion production under subsurface irrigation system is achievable.

 
Keyword(s): IRRIGATION TAPE, ONION, SUBSURFACE DRIP IRRIGATION, WATER USE EFFICIENCY
 
 
References: 
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Click to Cite.
APA: Copy

SAFI, B., & NEYSHABOURI, M., & NAZEMI, A., & MASIHA, S., & MIRLATIFI, S. (2007). SUBSURFACE IRRIGATION CAPABILITY AND EFFECTIVE PARAMETERS ON ONION YIELD AND WATER USE EFFICIENCY. JOURNAL OF AGRICULTURAL SCIENCE (UNIVERSITY OF TABRIZ), 17(2), 41-53. https://www.sid.ir/en/journal/ViewPaper.aspx?id=101499



Vancouver: Copy

SAFI B., NEYSHABOURI M.R., NAZEMI A.H., MASIHA S., MIRLATIFI S.M.. SUBSURFACE IRRIGATION CAPABILITY AND EFFECTIVE PARAMETERS ON ONION YIELD AND WATER USE EFFICIENCY. JOURNAL OF AGRICULTURAL SCIENCE (UNIVERSITY OF TABRIZ). 2007 [cited 2021May08];17(2):41-53. Available from: https://www.sid.ir/en/journal/ViewPaper.aspx?id=101499



IEEE: Copy

SAFI, B., NEYSHABOURI, M., NAZEMI, A., MASIHA, S., MIRLATIFI, S., 2007. SUBSURFACE IRRIGATION CAPABILITY AND EFFECTIVE PARAMETERS ON ONION YIELD AND WATER USE EFFICIENCY. JOURNAL OF AGRICULTURAL SCIENCE (UNIVERSITY OF TABRIZ), [online] 17(2), pp.41-53. Available: https://www.sid.ir/en/journal/ViewPaper.aspx?id=101499.



 
 
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