TY  - SER
AU  - Abbas, Muhammad
AU  - Irfan, Muhammad
AU  - Shah, Javaid Ahmed
TI  - Differential Performance of Wheat Genotypes  for  Grain Yield, Phosphorus Uptake and Utilization at Low and High Phosphorus Levels
KW  - Phosphorus Efficiency Index
KW  - Phosphorus Utilization
KW  - Plant Nutrition
ER  -