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Articles by G. Hussain
Total Records ( 4 ) for G. Hussain
  S.F. Alshammary , G. Hussain and Y.L. Qian
  A 2 year field experiment was conducted to evaluate the growth response, proline and mineral content of four warm-season turfgrasses to saline water irrigation. Four salinity treatments were imposed on sandy soil by irrigation with waters at 2.0, 6.25, 12.5 and 18.8 dS m-1. The local bermudagrass, Tifgreen bermudagrass, Nagisa zoysiagrass and saltgrass experienced a 25% shoot growth reduction at 7.9, 20.5, 10.2 and 26.0 dS m-1, respectively. Although shoot Na+ and Cl contents increased linearly with increasing salinity for all species, the extent of increase ranked as: local bermudagrass > Nagisa > Tifgreen > Saltgrass. Sodium and Cl exclusion likely contributed to the superior salinity tolerance of saltgrass and Tifgreen. The experiment demonstrated that at 2.5 dS m-1 irrigation water salinity, Tifgreen, local bermudagrass and Nagisa all performed very well in Saudi Arabia. At 6.25 to 12.5 dS m-1 salinity, Tifgreen exhibited better turf quality than local bermudagrass and Nagisa and saltgrass. However, at the highest salinity (18.8 dS m-1), only saltgrass and Tifgreen showed acceptable turf quality which was significantly higher than the local bermudagrass and Nagisa.
  Omar A. Al-Harbi , G. Hussain and O. Lafouza
  Groundwater and drainage water samples were collected from Al-Mendasah area, North-West of Al-Madinah Al-Munawarrah for irrigation water quality evaluation. The well waters were classified as C4S2 to C4S4 waters i.e., very high salinity and medium sodium to severely saline and very high sodium waters. The drainage waters were classified as C3S2 to C4S3 i.e., high salinity and medium sodium to severely saline and high sodium waters. The groundwater is dominated by Na and Cl ions. The Saturation Indices (SI) showed that the groundwater is unsaturated with respect to anhydrite, halite, gypsum and fluorite; and saturated with respect to calcite and dolomite. The concentration of calcium is much higher than that of Mg. The nitrate contents are much higher than the recommended safe limits of 30 mg L-1 for drinking and other uses. The fluorite (F) concentration in 40% of well waters was higher than the recommended safe limits for drinking water. The strong correlation between SAR vs. adj. SAR and adj. RNa, Na vs. Cl, Mg vs. Cl and Mg vs. SO4 ions indicate the dissolution and precipitation reactions in the rock-water interface that affect groundwater chemistry. The soil infiltration rate will not be affected either by well water or drainage water irrigation. Only, 12% well waters are safe for irrigation directly without serious soil and crop production problems. The use of remaining 78% well waters requires the adoption of certain management practices such as adequate drainage, selection of salt tolerant crops and application of leaching requirements.
  Omar A. Al-Harbi , G. Hussain and O. Lafouza
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  G. Hussain , A. Alquwaizany and A. Al-Zarah
  A comprehensive review summarized the total available water supplies, water quality evaluation and the potential management strategies for efficient utilization of the available water resources in the Kingdom of Saudi Arabia. The review discussed different water quality classifications applied elsewhere on the use of different types of surface, drainage waters and groundwater irrespective of the total salinity status and the conditions of use.
 
 
 
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