Media type: E-Article Title: Effects of NP Levels, Seed Rates and Row Spacing on Wheat Contributor: ., Khair Mohamamd Kakar; ., Muhammad Arif; ., Shaukat Ali imprint: Science Alert, 2001 Published in: Pakistan Journal of Biological Sciences Language: Not determined DOI: 10.3923/pjbs.2001.1319.1322 ISSN: 1028-8880 Keywords: Agronomy and Crop Science Origination: Footnote: Access State: Open Access