PJB-2018-956
IMPACT OF NUTRIENT MANAGEMENT ON YIELD OF WHEAT (TRITICUM AESTIVUM L.) UNDER ARID CLIMATE
NAEEM ULLAH
Abstract
A field experiment was conducted during 2016-2017 at Main Line Lower Land Reclamation Research Station Chak No. 37/TDA Bhakkar to investigate the combined effects of different Naphthalene Acetic Acid (NAA) levels (NAA0 Control, NAA1 150, NAA2 300, NAA3600, NAA4 900 and NAA5 1200 ml ha-1) with different doses of Nitrogen, Phosphorus and Potassium (NPK) (M0 Control, M1 50-50-50, M2 100-100-100,M3 150-150-150, M4 200-200-200 and M5 250-200-200)on yields of wheat (Triticum aestivum L.). The analysis of data revealed that maximum number of tillers per plant (7.33), grains per spike (72.67), 1000 grain weight (51.20 g)and grain yield (5010 Kg ha-1)were produced in M2 NAA3 (100-100-100 NPK Kg ha-1 x 600 NAA ml ha-1) and were minimum in M0 NAA0 (control). The quality analysis demonstrated that Maximum protein (13.30%) and gluten (23%) were obtained in M5 NAA5 (250-200-200 NPK Kg ha-1 x 1200 NAA ml ha-1) and minimum in M0 NAA0 (control).It was concluded that 100-100-100Kgha-1NPKin two equal splits at first and second irrigation and 600ml ha-1NAA in five equal consecutive splits of 120 mlha-1each at an interval of 30 days from seed soaking to maturity was an optimum combination of NPK and NAA for maximum grain yield of good quality wheat under arid climate.
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