Abstract
The experiment was conducted on potato (cv. Kufri Khyati) at the main experiment station, Department of Vegetable Science, Acharya Narendra Deva University of Agriculture and Technology, Narendra Nagar (Kumarganj), Ayodhya (U.P.) during the Rabi season of 2016-17. Seven treatments were arranged in randomized block design with four replications. The experimental findings showed that the use of RDF 100 kg P2O5 ha-1 was found better with respect to promotion of growth, yield and quality parameters of potato. The maximum value on growth characters were also recorded with RDF 100 kg P2O5 ha-1 in potato. It was found significantly superior over other treatments in almost all growth characters. The yield contributing characters such as the weight of A, B, C and D grade tubers per plot and the yield of tubers (q ha-1) were influenced significantly by using different levels of phosphorus. The maximum yield (388.79 q ha-1) was recorded with the application of RDF 100 kg P2O5 ha-1 in potato. It was found significantly superior over the rest of the treatments. An application of RDF 100 kg P2O5 ha-1 was found to be most effective for optimum growth: maximum tubers yield (388.79 q ha-1) and maximum net return Rs. 139062 as benefit cost ratio 1.47 on this dose of Phosphorus in the year’s investigation.
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