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Articles by Muhammad Imran Latif
Total Records ( 2 ) for Muhammad Imran Latif
  Tahir Hussain Chattha , Mateen ul Hassan Khan and Muhammad Imran Latif
  A study was conducted in different districts of Potowar region to evaluate the quality of sewage for irrigation purposes and heavy metal contents in sewage water. Sewage samples were collected from 25 sewage irrigated farms around Rawalpindi, Attock and Abotabad districts. Electrical conductivity of the samples ranged from 0.55-2.36 dS m-1. Sixty percent of the samples did not pose salinity hazard while forty percent were marginally fit for irrigation. Sodium adsorption ratio ranged from 0.24 to 4.36 showing that all the samples were low in Na contents. RSC varied from 0.0-8.1 mmol L-1 in the sewage samples under study; 59% of the samples had < 2.0 mmol L-1 of RSC showing that sewage represented by these samples had no risk of NaHCO3 hazard when applied to soils. Chloride contents in the samples were in the range of 0.5 to 4.7 mmol L-1 and were within safe limits. Zn and Pb contents in the sewage of various locations were found within safe limits (< 2.0 and 5.0 mg L-1, respectively) while Cu, Cd, Ni and Cr concentrations were found to exceed the maximum permissible limits. The effluent of areas under investigation are mixture of both domestic and industrial wastewater, high levels of HCO3- from washing soaps and detergents and excess of heavy metals from different industrial sources were present in the effluent. Therefore, sewage irrigation may cause deterioration of soil quality by causing salinity and introducing excessive contents of HCO3- in soils and poses health hazards by increasing heavy metal contents in vegetables and crops.
  Samina Fateh , Muhammad Arshad , Muhammad Azhar Naeem and Muhammad Imran Latif
  The present study was conducted to assess the physico-chemical characteristics of selected areas and to compare the different methods of organic matter determination. Soil samples were collected from different areas of Rawalpindi and Fateh Jang for the estimation of soil texture, soil pH, electrical conductivity, saturation percentage and available sodium and potassium contents and for the comparison of routine method of organic matter determination with the active organic matter determination method. A total of 24 composite soil samples were collected from six locations, Fateh Jang, Adiayla, Taxila, Swan, Kahuta and Gujar Khan. These soil samples were analyzed. All the samples were loam in texture. Soil pH values of all less than 8.0 and electrical conductivity of all soil samples was normal except Taxila which showed very high salt deposition. Available sodium was satisfactory while in available potassium, 42% samples were satisfactory and 58% were adequate. Comparison of both methods of organic matter estimation is not a true presentation of organic matter contents of soil.
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