Abstract
Background: Groundnut is one of the best known oilseed crops and belongs to the family Leguminosae. However, the productivity of groundnut in India is less as compared to average productivity of world due to uncertainty in monsoon rainfall and incidences of diseases, insect pests and weeds. The main cause of low groundnut production is an unbalanced and insufficient usage of nutrients. Because groundnut is a legume-oilseed crop, it has a high phosphorus, calcium and sulphur demand. Methods: A field experiment consisting of four phosphorus levels (Control, 40, 50, 60 kg P2O5 ha-1) and four sulphur levels (Control, 25, 50, 75 kg S ha-1) was laid out in split plot design to analyze their effect on pod yield, yield components, physiological and quality parameters of groundnut. Result: The results indicated the application of 60 kg P2O5 ha-1 and 75 kg S ha-1 significantly improved the pod yield and yield components except number of kernels per pod and harvest index, physiological parameters except leaf area index and all the quality parameters. However, the difference between 50 and 60 kg P2O5 ha-1 and 50 and 75 kg S ha-1 was found non-significant for most of the studied parameters.
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