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Suggestion a new equation to evaluate and classify Iraqi lands for irrigation . | ||
| Thi-Qar University Journal for Agricultural Researches | ||
| Article 1, Volume 2, Issue 2222, 2013, Pages 107-123 | ||
| Author | ||
| ad J. Mohammad kadhim | ||
| Abstract | ||
| Multi systems , equations and indexes are used to evaluate and classify the lands for many purposes that including land evaluation for irrigation , therefore this study was conducted to suggest a new equation which be suited for Iraqi lands because the application of these different system produces different results for the same land . So the present evaluation systems did not take care of the irrigation water suitability . Twenty six different systems were studied , and their factors which regarded the important were compared , then the factors which are present in the whole systems and be suitable for Iraqi land are selected in addition to enter new factors , then evaluate these factors by suggestion the new rating or by correction their values or remains as it . New two equations were suggested , the first for irrigation water evaluation and the second for evaluation of soil properties . By mean of their index values , the class of land suitability for irrigation and the index evaluation ratio be known in depending on special tables . | ||
| Keywords | ||
| Suggestion a new equation to evaluate and classify Iraqi lands for irrigation | ||
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