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CONSUMPTIVE WATER USE FOR ONION YIELD UNDER CONVENTIONAL AND STRIP DRIP IRRIGATION . | ||
| Diyala Agricultural Sciences Journal | ||
| Article 1, Volume 2, Issue 2, 2010, Pages 138-144 | ||
| Authors | ||
| ; ; | ||
| Abstract | ||
| A field experiment was conducted in agricultural season 2003 / 2004 at Al-Anbar Governorate – Ramadi in silty clay soil classified as Typic Torrifluvent , to study the consumptive water use for onion crop under drip irrigation system . Split – Split with Completely Randomized Block Design was used with three replications. Irrigation methods (conventional and strip drip) were considered as primary treatments , organic matter as a secondary treatment with two levels (0 , 3 kg.m-2) , where the sub secondary treatments included soil mulching with black polyethelene and without mulching .Onion (Allium cepa L.) was planted at 17-3-2004. The results showed the consumptive water use were 352.7 mm.season-1for conventional drip irrigation method and 392.2 mm.season-1for strip drip irrigation with increasing percentage of 11.19%.but water use efficiency for strip drip irrigation was 8.988 Kg.m-3 and 8.387 Kg.m-3 for conventional drip irrigation with increasing percentage of 7%. | ||
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