Vol. 8 No. 1
Effect of integrated nitrogen application on growth and yield of betelvine [Piper betle L.]
Author(s): M. N. IMAM, A. PARIARI AND P. K. SAHU
Abstract: Field studies were conducted in West Bengal, India, in 2005-06 and 2006-07, to determine the most suitable combination of organic and inorganic nitrogen (N) fertilizer sources for optimum growth and leaf yield of betelvine (Piper betle). The crop was fertilized with 200 kg N, 100 kg P2O5 and 100 kg K2O/ha. Total amount of N (200 kg/ha) was applied through different combinations of organic (cattle manure, neem cake, mustard cake, vermicompost and poultry manure) and inorganic (urea) sources. Data on vine length increment, internode length, leaf petiole length, leaf yield per vine and leaf yield/ha were recorded. Results showed that the inorganic N + vermicompost treatment produced the longest vine and the inorganic N + poultry manure produced the maximum internodal length, while the inorganic N treatment resulted in the longest leaf petiole length. The inorganic N + mustard oil cake treatment resulted in the highest leaf yield per vine and per ha.
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