Document Type : Articles
Authors
Department of Horticulture and Landscape College of Agriculture Tikrit University, Iraq
Abstract
This experiment was conducted in the lath house - Department of Horticulture and Landscape - College of Agriculture - Tikrit university during 2021 growing season, to study the effect of compound fertilizer addition (Amcolon) and amino acid (Tecamin) on chemical properties of orange saplings. It consisted two factors, the first is compound fertilizer at three levels, (0, 25 and 50 g plant-1) and the second is spraying with amino acid at three levels. (0, 1.25 and 2.5 ml. L-1). The experiment was designed according to Randomized Complete Block Design (RCBD) with three replications. The results showed that: Amcolon fertilizer at 50 g plant-1 increased significantly all studied properties (carbohydrates, chlorophyll, dry matter percent, nitrogen, phosphorous and potassium in leaves) which were 3.171%, 1.918 mg g-1, 70.15%, 2.072%, 0.2967%, 1.800%), respectively. Whereas, the spraying treatments with amino acids at 2.5 ml L-1 had highest values in same previous properties (3.057%, 1.637 mg g-1, 68.218%, 1.833%, 0.2867 and 1.508%), respectively.
Keywords
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