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Articles by Qamaruz-Zaman
Total Records ( 2 ) for Qamaruz-Zaman
  Yousaf Hayat , Qamaruz-Zaman and S.M. Suhail
  Statistics is one of the most important discipline used in Basic and Applied research including Agricultural Sciences, Biological, Medical, Engineering and Social Sciences etc. Most of the researchers are using the statistical techniques in a wrong way because of the lack of knowledge about these techniques. In this paper an effort has been made to discuss an appropriate statistical techniques used in agricultural research. The most commonly used techniques are Regression analysis and Experimental Designs.
  Yousaf Hayat , Syed Muhammad Asim , Qamaruz-Zaman and Naeem Khan
  The wheat crop is more important than other crops, where the year 1998 was declared as wheat year (Economic Survey, 1997-98). In this paper an efforts has been made to highlight necessary variables for increasing the production (grain yield) of wheat. The best subset model was identified with “all possible regression” approach based on selection criteria R2-adjusted. For analysis, data was taken from the experiment conducted at Malakandher farm NWFP Agricultural University Peshawar during the Rabi season 2000-01, to assess the contribution of different agronomic variables on grain yield of wheat (Ghaznavi-98). The best subset model selected was the model having spikelets spike‾1 as predictor because it contributes 82.2% of the variation in the grain yield. The plant heights showed zero% variation in the grain yield.
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