Research Article
Nitrogen Source and the Growth of Date Palm Seedlings
Junior College, Ministry of Education Riyadh, Saudi Arabia
A.A. Helal
Botany and Microbiology Department, College of Science, King Saud University, Riyadh, Saudi Arabia
M. H. Al-Whaibi
Botany and Microbiology Department, College of Science, King Saud University, Riyadh, Saudi Arabia