科研之友
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摘要
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.
- 出版日期2003
