الفهرس Only 14 pages are availabe for public view
 |  | from | 194 |  |  |
| | | from | 194 | | |
Abstract
The objectives of the present study were to investigate the effect of different levels of N, P, and K fertilization on : 1-some soil chemical properties. 2-the chemical composition of ground water. 3-the yield and yield components of wheat plant. 4-uptake of N, P, and K by wheat under different treatments of NPK.