Effect of Different Organic Sources on the Productivity of Upland Terraced Rice (Oryza sativa L.) under Organic Farming in Nagaland

C. Rualthankhuma and N. C. Sarkar

  • Page No:  386 - 389
  • Published online: 07 Dec 2011

  • Abstract
  •  ncsiari@gmail.com

A field experiment was carried out in the experimental research farm of School of Agricultural Sciences and Rural Development (SASRD), Nagaland University dur­ing April to September, 2008 to study the Influence of organic sources of nutrients in enhancing productivity of upland rice (Oryza sativa L.). The treatments were vermicompost @ 3 t ha-1, Farmyard manure (FYM) @ 12 t ha-1, Vegetable sea weed manure (VSWM) @ 25 kg ha-1 + FYM @ 2 t ha-1, Azospirillum + FYM @ 9 t ha-1, Bio-activated algal sea weed manure (BASWM) @ 25 kg ha-1 + FYM @ 2 t ha-1, Azospirillum + Vermicompost @ 2.25 t ha-1 and control replicated thrice laid out in Randomized Block Design. The investigation revealed that application of Azospirillum + FYM @ 9 t ha-1 recorded Maximum (489.1 g, 146, 275) dry weight m-2, number of panicles m-2 and grains panicle-1 contributing to highest (28.17 and 56.27 q ha-1, respectively) grain and straw yield. Similarly, the same treatment also yielded highest (34.93, 29.26 and 188.2 kg ha-1, respectively) N uptake by grain and straw as well as available nitrogen

Keywords :  Rice, organic source, productivity, nutrient


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