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Articles by M. Sohail
Total Records ( 3 ) for M. Sohail
  Sikander K. Tanveer , Imtiaz Hussain , M. Sohail , N.S. Kissana and S.G. Abbas
  Planting method plays an important role in the placement of seed at proper depth, which ultimately affects crop growth. The selection of suitable planting method for wheat is dependant upon the time of planting, availability of soil water at planting time, amount of residue in the field and availability of planting machine. A study was conducted in 1998-99 at three different sites in the rice-wheat area of Punjab to find out the effect of different planting techniques on yield and yield components of wheat (Triticum aestivum L.). Planting methods included bed formation + drill sowing (BDS), broad casting + bed formation (BCB), broadcasting (BC) and drill sowing (DS). Plant emergence was higher in drill sowing method in comparison with other methods. At harvesting, number of heads m-2) was higher with BCB and BDS planting system as compared to broadcasting and drill sowing methods. Biological yield was significantly higher in flat planted wheat (broadcasted and drill sown) in comparison with bed planted wheat (BB and DB) Although number of heads m-2), spike length and number of grains per spike were significantly higher in raised bed wheat (broadcasted and drilled beds) in comparison with the flat sown wheat (broadcasting and drill sowing) but wheat grain yields were lower in raised bed wheat than flat sown wheat. In raised bed planted wheat, 1000 grain weight was also significantly lower as compared to flat sown wheat.
  Imtiaz Hussain , M. Aslam , S.K. Tanveer , M. Sohail and N.S. Kissana
  Direct drilling of wheat in to rice stubbles through zero tillage drill has eliminated the time for land preparation and improved crop stand establishment. In rice-wheat area, the adoption of zero-tillage is growing with the passage of time. The study was performed in Kala Shaha Kaku and Muridkay during 1998-99 to determine the optimum time for first irrigation and nitrogen application in zero tillage wheat in rice-wheat area of Punjab. In the first trial, the treatments included first irrigation at sowing, at emergence, two weeks after emergence and four weeks after emergence. In the second trial, treatments included all nitrogen dressed at sowing, half nitrogen dressed at sowing and half at first irrigation and all nitrogen broadcasted at first irrigation and all nitrogen broadcasted at sowing. The results indicated that emergence, tillering, grain and biological yield was significantly higher when the first irrigation was applied 2 to 4 weeks after emergence. Timing of nitrogen application did not significantly affect the heads per m2, grain yield and biological yield of zero tillage wheat. However, the split application of urea at planting and at first irrigation could improve zero tillage wheat production.
  M. Asif , M. Asim , M.Y. Mujahid , S.Z. Mustafa , N.S.Kisana , Z. Ahmed , I. Ahmad and M. Sohail
  Nine genotypes of wheat developed for rainfed areas of Pakistan viz., DN-18, NRL-9822, NR-200, V-99166, 98C013, V-3, PR-72, NR-181 and SN-7 were evaluated for stability of grain yield under seventeen diverse rainfed environments. The interaction between the genotypes and environments (G X E interaction) was used as an index to determine the yield stability of genotypes under all the environments during 2001-02. Both predictable (linear) and unpredictable (non-linear) portions of variation were found to be significant indicating equal importance in determining the stability of grain yield. The genotype V-99166 was the most adapted showing considerable good performance in the entire set of environments under study.
 
 
 
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