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Monitoring of Salt Movement in Soil by Using Saline Irrigation Water and Leaching Requirement and It,s Effect on Corn Yield. | ||
| Journal of Tikrit University For Agriculture Sciences | ||
| Article 1, Volume 13, Issue 2, 2013, Pages 341-347 | ||
| Abstract | ||
| Monitoring of salt movement in soil profile (0-60cm) and corn yield values as an indicator for using leaching requirement during irrigation with saline water.The study was conducted for determining the effect of application amount and pattern of leaching requirement for corn (zea mays L.) in fall season in 2009, in the soil and water resources center research station - Ministry of science and Technology. The experimental design was factorial complete randomize block design in three replicates.The main factors are: i. Two quality of irrigation water. ii. Two level of leaching requirement application. iii. Two pattern of leaching requirement. Results shows that soil salinity was increased for the depth (0-60cm) for 3.7 times when the soil was irrigated with saline water without adding leaching requirements comparison with irrigation with river water. Soil salinity were decreased 3% and 43% by using leaching requirement in 2% and 40% respectively, as compared without using leaching requirements.Minimum decreasing in yield 14% accured by using leaching requirement in two portions (first application in the begging of the season and the second after 50 days from the first) as compared with irrigation by river water. | ||
| Keywords | ||
| Soil; Corn | ||
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