EFFECT OF IRRIGATION SYSTEMS ON LETTUCE CROP | ||||
| Misr Journal of Agricultural Engineering | ||||
| Article 14, Volume 27, Issue 4, October 2010, Page 1212-1227 PDF (610.33 K) | ||||
| Document Type: Original Article | ||||
| DOI: 10.21608/mjae.2010.104817 | ||||
 View on SCiNiTO | ||||
| Authors | ||||
| A.F. EL-SHARKAWEY1; M.Y. BONDOK2 | ||||
| 1Senior Rese. Agric. Eng. Res. Inst, Agric. Center, Egypt. | ||||
| 2Rese. Agric. Eng. Res. Inst, Agric. Center, Egypt. | ||||
| Abstract | ||||
| Field experiment were executed at Gemmiza Agricultural Research Station during season 2009 /2010, to study effect of irrigation systems, drip (surface and subsurface) irrigation and traditional irrigation. Levels of nitrogen fertilizer inputs and row width on lettuce fresh weight (gm) , lettuce fresh tall (cm) , The objectives of study are evaluation trickle irrigation systems on lettuce crop.Surface drip (DI), subsurface drip irrigation(SDI) compared with surface irrigation ( SI) and the interactions of water and nitrogen fertilizer inputs on crop yield and quality The effect of irrigation systems, the results indicated that .increase the lettuce fresh weight (gm) , lettuce fresh tall (cm) , number of fresh leaf, lettuce stem weight (gm) and lettuce stem tall(cm). By using subsurface irrigation (SDI ) by 5,42 %; 28.43 %; 5.77 % ; 15.73 % ; 13.20 % ;33.72 %; 13,03 ; 14.39 % and 33.62 % compared with surface drip (DI )and surface irrigation ( ( SI) systems resp. The highest values were on double row under subsurface drip irrigation, the values were 570.01; 33.60; 49.00; 260.95 and 15.01 resp. The data revealed that, the highest values of lettuce fresh weight (gm) , lettuce fresh tall (cm) , number of fresh leaf, lettuce stem weight (gm) and lettuce stem tall (cm). under double row and by using 45 u N/ fed., the values were 709.92;, 34.70 ; 51.07; 283.78 and 16,17 resp. The highest values of crops and field water use efficiency (2271.58 kg and 2.40 kg/ m3) were obtained under subsurface trickle irrigation system. While the modified furrow irrigation system treatment induced the lowest values (1768.75 kg and 1.31 kg/ m3). | ||||
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