Effect of Plant Density and Planting Pattern on Growth and Physiological Characteristics of Tulip cv. ʹSpryngʹ Journal title: Journal of Horticulture Science Authors: Davood Hashemabadi,Behzad Kaviani,Kobra Shakeri Kiasaraei,Rasoul Onsinejad,Mohammad Reza Safari Motl... Subject(s): Agricultural Science