The Role of Shade and Nitrogen on Physiological Traits and Secondary Metabolites of Piper betle L

Muttaleb QA^1,2*, Abdullah TL¹, Hassan SA¹, Rashid AA³, Taheri S¹, Ahmed OA¹ and Abdulameer DA¹

¹Department of Crop Science, Faculty of Agriculture, Universiti Putra Malaysia, 43400 Serdang, Selangor, Malaysia

²Technical Institute of Babil, AL-Furat Al-Awsat Technical University, 22001, Al Hillah, Babel, Iraq

³Department of Agriculture Technology, Universiti Putra Malaysia, 43400 Serdang, Selangor, Malaysia

^*Corresponding Author: Muttaleb QA, Department of Crop Science, Faculty of Agriculture, Universiti Putra Malaysia, 43400 Serdang, Selangor, Malaysia, Tel: +601-800-22-5587 Email: