author = { ., Khair Mohamamd Kakar AND ., Muhammad Arif AND ., Shaukat Ali },

title = { Effects of NP Levels, Seed Rates and Row Spacing on Wheat },

publisher = {Science Alert},

isbn = {1028-8880},

keywords = { Agronomy and Crop Science },

year = {2001},

url = { http://slubdd.de/katalog?TN_libero_mab2 }