الفهرس | Only 14 pages are availabe for public view |
Abstract This study was conducted in the faculty of agriculture Minia Univ during the two growing seasons of 1987,1988 and 1988,1989. The aim of this study was to figure out the influences of NPK fertilization applied as soil dressing and the foliar application of nitrogen fertilization (urea) on the growth and the volatile oil content of yarrow plants (Achillea millefolium , L) grown in sandy or loamy soil thus, two separate split plot experiments were conducted. The first one dealt with the influence of growing media and the following NPK combination: 1- N0P0K0 2- N1P1K1 3- N2P1K1 4- N3P1K1 5- N1P2K1 6- N1P3K1 7- N1P1K2 8- N1P1K3 9- N2P2K2 10- N3P3K3 |