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Articles by Muhammad Akhtar
Total Records ( 5 ) for Muhammad Akhtar
  Umar Farooq , Muhammad Akbar Khan , Muhammad Akhtar and Abdul Majid Khan
  Dorcatherium majus, comparatively a large tragulid is studied from the Lower and Middle Siwaliks of Pakistan. D. majus is only found from the fresh water deposits along the foot hills of Himalayas. A number of localities are thoroughly visited from the Potwar Plateau of northern Pakistan and collected worth describing specimens of D. majus. Eight specimens are described in this study and all belong to the upper dentition of D. majus.
  Umar Farooq , Muhammad Akbar Khan and Muhammad Akhtar
  Dorcabune nagrii is a smaller species of genus Dorcabune and is known only from the Middle Siwaliks. The described specimens in this study are collected from Hasnot which is the upper part of the Middle Siwaliks include three second molars and one last molar. All the described specimens belong to the lower dentition. Dorcabune nagrii agrees with the Dorcabune latidens in respect of size but differs by the smaller breadth of molars and inferior depth of the mandible. The aim of the study is to describe Dorcabune nagrii from the upper part of the Middle Siwaliks.
  S.M. Alam , Muhammad Akhtar , Zafar Iqbal and A. Latif
  Effect of applied and residual P from two sources,di calcium phosphate (DCP) and single super phosphate (SSP), were evaluated by growing wheat, brassica and berseem crops in a pot experiment. The criteria used were plant yield and P uptake. Both of the P sources for grain and straw yield of brassica, residual as well as applied P did not improve the yield. However, grain yield of wheat, fodder yield of berseem and total P uptake by these crops were found to improve significantly due to residual and applied P as DCP compared to SSP. A heavy P application from DCP showed positive residual effect and resulted in increased yield and P uptake by wheat and berseem. These results, therefore, strongly advocate the suitability of DCP as a P fertilizer source.
  Muhammad Akhtar and S. M. Alam
  The results showed that by increasing the time of incubation, P availability in soil gradually decreased for both organic (DCP) and inorganic (SSP) sources. Phosphorus sorption irrespective of source, however, increased with incubation time. SSP compared to DCP yielded more AB-DTPA extractable P up to day 7, P content of SSP after day 14 became equal to that of DCP, and there after declined. After day 56, as much as half of P from SSP was sorbed out compared to 1/4th of P from DCP. Thus a readily soluble P source (SSP) was more affected to sorption under an alkaline calcareous soil environment compared to slowly soluble P source (DCP) which maintained P availability in soil for a longer period of time.
  Muahmmad Maqsood Anwar and Muhammad Akhtar
  A well-preserved right maxillg having P2-M3 is referred to Tragocerus priniAbictis Pilgrim from Dhok Pathan (Middle Siwaliks) Chakwal district, the Punjab Province, Pakistan. It differs from other species of the genus Tragocerus browni Pilgrim in having short upper premolar series, The material studied gives additional information on fossil remains of Tragocertis purijabicus Pilgrint.
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