Effect of Continuous Application of Nitrogen, Phosphorus and Potassium on Growth Parameters and Yield of Rice
Niketa Tirkey, C.S. Singh, A.K. Singh, Arvind Kumar Singh, R.P. Manjhi, Md. Parwaiz Alam, P Mahapatra
International Journal of Plant & Soil Science · pp. 277–282 · Published 13 Feb 2024
10.9734/ijpss/2024/v36i34424Abstract
A Long term (37 years) field experiment was conducted at Agronomical Research farm of Birsa Agricultural University, Kanke, Ranchi during Kharif season in 2020 to study the effect of Nitrogen, phosphorus and potassium on growth parameter and yield of rice. The experiment was conducted in Partially Confounded Design with nineteen treatments replicated four times. The rice variety used was Sahabhagi Dhan. Nitrogen, Phosphorus and potassium level used were 40, 80 and 120 kg N ha-1, 0, 40 and 80 kg P2O5 ha-1 and 0 and 40 kg K2O ha-1.Application of 120 kg N ha-1, 80 kg P kg P2O5 ha-1 and 40 kg K2O ha-1 significantly increased plant height, produced maximum numbers of tillers, dry matter and leaf area index at 30, 60, 90 DAS and at harvest. The maximum grain and straw yield was recorded under with application of 120 kg N ha-1, 80 kg P kg P2O5 ha-1 and 40 kg K2O ha-1.
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