الفهرس 
IntroductionOnly 14 pages are availabe for public view
 |  | from | 175 |  |  |
| | | from | 175 | | |
Abstract
The present Investigations were carried out at the Agricult the ural Research and Extension Station,Agricultural Research Center, Ministry of Agricultural, Sakha, Kafr El-Sheikh Governorate, Egypt during 1980, 1981 and 1982 seasons . This work was divided into two parts. The first part was aimed to study the effect of foliar spraying of microelements on growth and yield of three maize var ieties grown under different three nitrogen levels.