Influence of Integrated Nutrient Management Practices on Soil Fertility and Yield of Fodder Maize in Chennai
International Journal of Plant & Soil Science · pp. 143–151 · Published 20 Mar 2024
10.9734/ijpss/2024/v36i54511Abstract
Field experiments were conducted to study the influence of fodder maize (Zea mays L.) by adopting different bulky organic manures and fertilizer levels on the soil fertility status and fodder yield of maize. The study was conducted during rabi season of 2019 and 2020 at the Department of Agronomy, Madras Veterinary College, Chennai. An experiment was laid out in split plot design. Main plots consisted of different organic manure treatments viz., No manure, farm yard manure (25 t ha-1), vermicompost (12 t ha-1) and poultry manure (12 t ha-1). Sub plots consisted of varying level of fertilizer treatments viz., No fertilizer, 125% RDF, 100% RDF, 75% RDF. The blanket recommendation of fertilizer to fodder maize is 60 kg N ha-1: 40 kg P2O5 ha-1: 20 kg K2O ha-1. The organic manures were applied as per the N equivalent basis to inorganic nutrient recommendation. The results revealed that all the soil parameters, green and dry fodder yield were significantly affected with the application of organic manures and fertilizer levels. Organic sources of nutrients tended to improve soil physico-chemical properties viz., bulk density, water holding capacity, porosity and organic carbon. The highest organic carbon content was noticed with the application of poultry manure (0.50 %) followed by poultry manure. The post harvest available soil nutrients was high in fodder maize grown with poultry manure along with 125% recommended dose of inorganic fertilizer to fodder maize recorded higher soil available nitrogen (109.48 kg ha-1), phosphorus (15.46 kg ha-1) and potassium (118.65 kg ha-1). Significantly higher green and dry fodder yield of maize was recorded with application of poultry manure along with 75 % recommended dose of fertilizer. Hence, application of organic manures specifically poultry manure along with low level of fertilizer improved the soil fertility and thus increased the green fodder yield of maize.
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Cited by 1
Abhishek Kumar, Naval Chandel, Barkha · International Journal of Plant & Soil Science · 2024
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