Modeling Effect of Irrigation Water quality Frequency with difference Leaching requirement on the salts accumulation and yield for sorghum

Omar Mkdad Abdul Guny Mahmood
2012 Al-Rafidain Engineering Journal  
ِ ‫يذًىد‬ ‫انغنً‬ ‫ػثذ‬ ‫يقذاد‬ ‫ػًش‬ ‫يساػذ‬ ‫يذسس‬ ‫انًستخهص‬ ‫مممخ‬ ‫ثٍ‬ ‫ؽبعمممٛثٟ‬ ‫ّٔمممٛرط‬ ‫ثٕمممبذ‬ ‫رمممُ‬ (MATLAB) ‫مممشٞ‬ ‫اٌم‬ ‫ِمممبذ‬ ‫ٍِٛؽمممخ‬ ‫ِغمممزٛ٠بد‬ ‫ِمممٓ‬ ‫ومممً‬ ‫ص١ش‬ ‫ممم‬ ‫رم‬ ‫ٌذساعمممخ‬ 20,15,12dS/m ‫ا‬ ‫اٌشٞ‬ ‫عٍٛة‬ ‫ث‬ ‫اٌمشٞ‬ ٚ ‫اٌّبٌؾمخ‬ ‫ثبٌّ١مبٖ‬ ‫اٌّغمزّش‬ ‫اٌمشٞ‬ ‫اجٔزبع١مخ:‬ ٚ ‫اٌزشثمخ‬ ‫مٟ‬ ‫ػ‬ ‫امِم‬ ‫رغّمغ‬ ‫ػٍٝ‬ ‫ٌّزجغ‬ ‫س٠مخ‬ : ‫ٔم١مخ‬ ‫ٚيس٠زمبْ‬ ‫ِبٌؾمخي‬ ‫س٠مخ‬ : ‫ٔم١مخ‬ ‫س٠مخ‬ ‫ٚي‬ ‫ِبٌؾمخي‬ ‫س٠زمبْ‬ : ‫ٔم١مخ‬ ‫يس٠مخ‬ ‫اجسٚاذ‬ ‫ِمٓ‬ ‫ِخزٍفمخ‬
more » ... ‫ِمٓ‬ ‫ِخزٍفمخ‬ ‫عبٌ١ت‬ ٚ ‫ثطشائك‬ ‫اٌّزٕبٚة‬ ‫دعٍخ‬ ‫ٔٙش‬ ‫ِبذ‬ ‫ٍِٛؽخ‬ ‫رّضً‬ ‫إٌم١خ‬ ‫ٚاٌش٠خ‬ ‫ِبٌؾخي‬ 0.47dS/m ‫عم‬ ‫ٌٚىً‬ ، ‫ي‬ ‫غمً‬ ‫ِزطٍجمبد‬ ‫١مٗ‬ ‫اعمزخذَ‬ ‫ٍٛة‬ 0 , 0.05 ، 0.1 ، 0.15 ، 0.2 ، 0.25 ، 0.3 ‫امّٔمٛرط‬ ‫رطج١مك‬ ‫رمُ‬ ‫ٚلمذ‬ ‫ٚاٌٍّؾ١مخ.‬ ‫اٌّبئ١مخ‬ ‫اٌّٛاصٔمخ‬ ‫ِجمذ‬ ‫ػٍمٝ‬ ‫اٌؾبعٛثٟ‬ ‫امّٔٛرط‬ ‫ػًّ‬ ‫٠ؼزّذ‬ ‫ي،‬ ‫ٌٍٍّٛؽخ.‬ ‫اٌزؾًّ‬ ‫ِزٛعطخ‬ ‫اٌّؾبص١ً‬ ِٓ ‫ٚ٠ؼزجش‬ ‫ص١فٟ‬ ‫ِؾصٛي‬ ٛ٘ٚ ‫اٌج١ضبذ‬ ‫اٌزسح‬ ‫ِؾصٛي‬ ‫ػٍٝ‬ ‫اٌؾبعٛثٟ‬ ‫إٌزمبئظ‬ ‫ث١ٕمذ‬ ‫اْ‬ ‫اٌمشٞ‬ ‫ثبعمزخذاَ‬ ‫رمضداد‬ ‫اٌزشثمخ‬ ‫مٟ‬ ‫اٌّزشاوّمخ‬ ‫ػ‬ ‫امِم‬ ‫وّ١مخ‬ ‫ٚاْ‬ ‫اٌّغمزخذَ،‬ ‫اٌمشٞ‬ ‫عمٍٛة‬ ‫ف‬ ‫ثبخز‬ ‫٠زجب٠ٓ‬ ‫اٌٍّؾٟ‬ ‫اٌزشاوُ‬ ‫وّ١مخ‬ ‫ٚاْ‬ ‫اجٔزمبط‬ ‫ص٠مبدح‬ ‫إٌمٝ‬ ‫٘مزا‬ ‫٠مؤدٞ‬ ‫ٚثبٌزمبٌٟ‬ ‫ػ‬ ‫امِ‬ ‫رشاوُ‬ ‫خفض‬ ‫إٌٝ‬ ‫٠ؤدٞ‬ ‫اٌّزٕبٚة‬ ‫اٌشٞ‬ ‫اعزخذاَ‬ ‫ؽ١ٓ‬ ٟ ‫اٌّغزّش،‬ ‫م‬ ‫عم‬ ‫مٝ‬ ‫ػٍم‬ ‫مذ‬ ‫رؼزّم‬ ‫ػ‬ ‫م‬ ‫امِم‬ ‫مشاوُ‬ ‫رم‬ ‫مٟ‬ ‫م‬ ‫مبْ‬ ‫إٌمصم‬ ‫مُ‬ ‫رم‬ ‫مب‬ ‫وّم‬ ، ‫مزخذَ‬ ‫اٌّغم‬ ‫مً‬ ‫غم‬ ‫اٌ‬ ‫مبد‬ ‫ِٚزطٍجم‬ ‫مبٚة‬ ‫اٌّزٕم‬ ‫مشٞ‬ ‫اٌم‬ ‫ٍٛة‬ ‫د‬ ‫مبد‬ ‫ِؼم‬ ‫خ‬ ‫م١ب‬ ‫صم‬ ‫ٚاٌزجخش‬ ‫اٌؾم١مٟ‬ ‫ٌإلٔزبط‬ ‫إٌمصبْ‬ ٚ ‫اٌض٠بدح‬ ‫ج٠غبد‬ ‫س٠بض١بر١خ‬ -‫خ‬ ‫اٌّضمب‬ ‫ٚإٌم١مخ‬ ‫اٌّبٌؾمخ‬ ‫اٌّ١مبٖ‬ ‫وّ١خ‬ ‫ص١ش‬ ‫ر‬ ‫ٔز١غخ‬ ‫إٌغجٟ‬ ‫ٔزؼ‬ ‫اٌذساعخ.‬ ‫ِٕطمخ‬ ‫ِٚؾذداد‬ ‫ظشٚف‬ ‫رؾذ‬ ‫انكهًاخ:‬ ‫يفتاح‬ ‫س‬ ‫ِغزّش،‬ ‫سٞ‬ ‫ٍِٛؽخ،‬ ‫غً،‬ ‫إٔزبع١خ‬ ‫ِزٕبٚة،‬ ٞ Ass. lecturer A Computer model is made in (MATLAB) language to study the effect of irrigation water salinity levels 20,15,12 dS/m irrigation applied by continuous irrigation with saline water and alternant irrigation by different methods (pure irrigation : saline two irrigation),(pure irrigation : saline irrigation) and (pure two irrigation : saline irrigation). Pure irrigation represents Tigris River salt water 0.47dS / m. Each method used the Leaching requirements (0, 0.05, 0.1, 0.15, 0.2, 0.25, and 0.3), The model depends on the principle of balancing water and salt. The computer model has been applied to the sorghum crop; a summer crop which endures medium salinity. The results show that the accumulation of salt varies according to the differences in irrigation style. The amount of salts accumulated in the soil increased by using the continuous irrigation, while the use of alternant irrigation led to reduced accumulation of salts and thus led to increased production. The amount of decrease in the accumulation of salts depends on the method of alternant irrigation and leaching requirements used. Mathematical equations have been formulation to find out the increase or decrease in the real Yield and relative evaporation transpiration as a result of the influence of the amount of salt water and pure water additives under the conditions and limitations of the study area
doi:10.33899/rengj.2012.54145 fatcat:tnmfq6mg45dztge4qqjp3ey27e