Abstract

This experiment was conducted at Grdarasha field of the College of Agricultural Engineering Science, Salahaddin University in Erbil, with a Clay Loam texture class. During the spring growing season of 2020, to study the effect of four levels of phosphorus TSP (0, 20, 40, 60) Kg P. ha-1. Three levels of K (0, 15, 30) Kg K. ha-1 and three levels of N (0, 15, 30) Kg N. ha-1. Besides, there was a combination of yield components and nutrient balance of the chickpea plant using a splitblock design with three factors (K, N and P), where 36 treatment with 3 replicates was used. The main results could be summarized as follows: The combination of potassium, nitrogen, and phosphorus levels affected the yield of the chickpea plant significantly. Also, the maximum yield recorded in the treatment combination (K2N1P2) was (1.55 Mg ha-1). In comparison, the lowest mean value (0.73 Mg ha-1) was recorded from the treatment combination (K0N0P0). Keywords: Nitrogen, Phosphorus, Potassium, chemical and physical properties, chickpea yield

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