Sweet Corn
ABSTRACT: An experiment was conducted at Agricultural Research Station, Seethampeta during Rabi season, 2018 to study the Conjunctive use of organic and inorganic sources of nitrogen on yield and yield attributes of sweet corn (Zea mays). It was carried out witheight different treatments namely : (1) Control (Absolute control) (2) Inorganic fertilizers (RDF) N-P2O5 -K2O ( 3) 50% RDF N through inorganic fertilizer + 50% equivalent N through FYM (4) 50% RDF N through inorganic fertilizer + 50% equivalent N through vermicompost (5) 50% RDF N through inorganic fertilizer + 50% equivalent N through poultry manure (6) 75% RDF N through inorganic fertilizer + 25% equivalent N through FYM (7) 75% RDF N through inorganic fertilizer + 25% equivalent N through vermicompost (8) 75% RDF N through inorganic fertilizer + 25% equivalent N through poultry manure, laid out in randomized block design with three replications. Among the eight treatments, T8 – 75% RDF N through inorganic fertilizer + 25% equivalent N through poultry manure recorded highest Plant height (204 cm), Cob length (16.1 cm), Cob girth (14.2 cm), No. of grains per cob (426.2), Green cob yield(10046 kg/ha)significantly superior over 75% RDF N + 25% N through vermicompost (T7) and was at par with 100% RDF (T2).
Keywords: Green cob Yield, Nutrient management, Organic and inorganic sources, Poultry manure and Sweet corn