See discussions, stats, and author profiles for this publication at: https://www.researchgate.net/publication/224973885 Impact of Sulphur and Nitrogen Application on Seed and Xanthotoxin Yield in Ammi majus L. Article · June 2007 CITATION 1 READS 104 8 authors, including: Some of the authors of this publication are also working on these related projects: Working on radial growth in trees and antioxidant defence system in plants View project ophthalmic pathology and ocular immunology View project Saif Ahmad Texas Tech University Health Sciences Center 40 PUBLICATIONS 371 CITATIONS SEE PROFILE Tanweer Alam University College Dublin 8 PUBLICATIONS 88 CITATIONS SEE PROFILE Mather A Khan University of Missouri 21 PUBLICATIONS 119 CITATIONS SEE PROFILE Muhammad Iqbal Jamia Hamdard University 291 PUBLICATIONS 2,991 CITATIONS SEE PROFILE All content following this page was uploaded by Muhammad Iqbal on 26 December 2016. The user has requested enhancement of the downloaded file. All in-text references underlined in blue are added to the original document and are linked to publications on ResearchGate, letting you access and read them immediately.