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Articles by A.A. Naseri
Total Records ( 6 ) for A.A. Naseri
  A.A. Naseri , Y. Hoseini , H. Moazed , F. Abbasi and H.M.V. Samani
  Phosphorus (p) adsorption characteristics of 5 soil samples were studied in soils of Southeastern Iran during 2009/2010 cropping season. Some soil properties as well as selected P-adoption characteristics were studied in these soils, Results show for this study Freundlich adsorption isotherm has good match with phosphorus adsorbed data and has good R-square. Freundlich sorption isotherms were used to evaluate the P requirement of 5 soils in a lab study. The soils were medium to heavy textured, acidic in reaction and were highly calcareous. Amount of P sorbed by the soils increased with increasing P in equilibrium solution. Quantities of P retained on sod solid phase were significantly correlated (p<0.05) with clay content of the soils. Maximum P was sorbed by a soil that had the maximum (64%) Clay content. there were negative relationship between P adsorption capacity and SOC and Ca content of soils.
  M. Behzad , M. Albaji , P. Papan , S. Boroomand Nasab , A.A. Naseri and A. Bavi
  Here a land suitability evaluation study for key productions of the region, including wheat, alfalfa, maize and barley, covering an area of 15831 ha was carried out in the region. Using the findings of the semi-detailed soil studies for this area, 2 soil families and 8 soil series in 2 physiographic units was identified. Physiologic requirements of each crop were also determined and rated based upon the proposed methods (Parametric methods and Simple limitation method). Qualitative evaluation was carried out by means of simple limitation and parametric methods (Storie and Root Square Method) and comparing land and climate characteristics with crop needs. The index obtained for barley, wheat and alfalfa was higher in comparison to that developed for maize. Limiting factors in different crop yield in the region along with climatic variables included soil physical properties, especially its carbonate contents, soil salinity and drainage. From the two methods used i.e., simple limitation and parametric methods (Storie and Square root methods), the latter (Square root methods) produced more realistic results in respect to the existing conditions of the region.
  H. Moazed , Y. Hoseini , A.A. Naseri and F. Abbasi
  Phosphorus (p) adsorption characteristics of 5 soil samples were studied in soils of Omidie, Southeastern Iran during 2009/2010 cropping season. The concentrations of the solutions were 4, 12, 25, 50, 70 mg P L-1. Some soil properties as well as selected P-adoption characteristics were studied in these soils. Results show for this study Langmuir adsorption isotherm has better match with phosphorus adsorbed data and has maximum R-square. Differences in P- adsorption was greatly influenced by Soil Organic Carbon (SOC), soil pH, exchangeable calcium, exchangeable aluminium. Regression analysis shows that SOC and Alsat were the highest predictors of P-adsorption in soils of the study site. There is need for inclusion of more soil chemical, physical and mineralogical properties in predicting soil P-adsorption to enhance reliability of information.
  M. Albaji , S. Boroomand Nasab , H.A. Kashkuli , A.A. Naseri , G. Sayyad and S. Jafari
  The main objective of this research is to compare two different irrigation methods according to parametric evaluation system in an area of 15831 ha in the North Molasani region`s soil located in Khuzestan province, Southwest Iran. Soil properties of the study area including texture, depth, electrical conductivity, drainage, carbonate content and slope were derived from a semi-detailed soil study regarding North Molasani plain in a scale of 1/20000. After analyzing and evaluating soil properties, suitability maps were generated for both methods by means of Remote Sensing (RS) and Geographic Information System (GIS). The results showed that 163 ha of the studied area were highly suitable for Surface Irrigation methods. Whereas 2288 ha of the study area was highly suitable for drip irrigation methods. Also, it was found that some series coded 2, 3 and 5 covering an area of 7582 ha, were not suitable to be used for surface irrigation systems and two series coded 3 and 5 with an area of 1381 ha were classified not suitable for drip irrigation systems. Moreover, the results indicate that by applying drip irrigation instead of surface irrigation methods, suitability classes of 8732 ha (55.16%) of North Molasani plain`s land will improved. Ultimately, drip irrigation system was suggested as the best method to be applied to the said study area. The main limiting factors in using both surface and drip irrigation methods in this area were soil carbonate and drainage.
  A.A. Naseri , Y. Hoseini , H. Moazed , F. Abbasi , H.M.V. Samani and S.A. Sakebi
  The objective of the present study was to understand Phosphorus transport from soil columns at different water flux densities and to compare computer simulation results using HYDRUS-3D and the physical model against column-experiment data. Towards that end, two water flux densities (0.0075, 0.0065 m sec-1) and P concentration rates (33 mol cm-3) were used. The soil used has a silty clay- loam texture. The numerical model (HYDRUS-3D) successfully predicted P transport in the present experiment. Overall, the HYDRUS-3D model successfully simulated the water flow in the columns; however, it overestimated the final adsorbed PO4 concentrations in the soil. The present column experiment is useful for assessing relative behavior of P in increasing the movement of phosphorus ions out of the soil profile and into ground waters.
  A.A. Naseri , S. Jafari and M. Alimohammadi
  The main purpose of this study was to shed light on the soil behaviour from compaction point of view before and after harvesting traffic and on the reaction to the subsoiling operation. In this regard two different experiments were conducted and to provide an alternative tool for this evaluation, High Resolution Computed Tomography (HRCT-Scan) was also used. The results showed positive correlation of clay with maximum dry bulk density, but it was found that sand and silt were more positively correlated with optimum moisture content than clay. These results indicated that in this region, the soils are most susceptible to compaction and harvesting traffic make them compacted. The maximum compaction occurred in the first layer (0-20 cm depth) and minimum or no compaction happened in the layer, beyond the 60 cm depth. These results also showed that subsoiling the soil can improve the soil physical properties. Furthermore, CT-Scan results indicated that compaction can be treated by subsoiling and soil physical properties can be improved. This type of managing soil compaction has been used in the field and high harvested sugarcane (Saccharum officinarum) yield indicates that it is a successful operation.
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