Vol. 7 No. 1
Effect of organically supplemented N on yield of rice (Oryza sativa L.).
Author(s): S, P. SANGEETHA AND A. BALAKRISHNAN
Abstract: A field experiment was conducted to study the effect of organic sources of nutrients (enriched FYM compost, vermicompost, FYM+neem cake, enriched FYM compost+vermicompost+FYM, composted poultry manure and enriched poultry manure compost) and recommended NPK fertilizer on rice. The results revealed that the application of enriched poultry manure compost on equal N basis (2.3 t ha-1) recorded higher yield attributes and grain yield of 4675 kg ha-1 in 2007 and 4953 kg ha-1 in 2008, which was however comparable with composted poultry manure and better than other organic manure treatments and also inorganic source treatment The lower grain yield obtained with absolute control which did not receive organic manures and recommended NPK addition.
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