African Journal of
Agricultural Research

  • Abbreviation: Afr. J. Agric. Res.
  • Language: English
  • ISSN: 1991-637X
  • DOI: 10.5897/AJAR
  • Start Year: 2006
  • Published Articles: 6691

Full Length Research Paper

Impact of nutrient management technologies in transplanted rice under irrigated domains of Central India

A. K. Singh
  • A. K. Singh
  • Department of Soil Science, Jawaharlal Nehru Krishi Vishwa Vidyalaya, Krishi Vigyan Kendra, Katni-483 442, Madhya Pradesh, India.
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U. S. Gautam
  • U. S. Gautam
  • Zonal Project Directorate, Zone-VII, ICAR, JNKVV Campus, Adhartal, Jabalpur-482004 (MP), India.
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J.Singh
  • J.Singh
  • Department of Plant Protection, Jawaharlal Nehru Krishi Vishwa Vidyalaya, KrishiVigyan Kendra, Sidhi-486661 (MP), India.
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A. Singh
  • A. Singh
  • Department of Home Science, Jawaharlal Nehru Krishi Vishwa Vidyalaya, KrishiVigyan Kendra, Chhattarpur-471201 (MP), India.
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P. Shrivastava
  • P. Shrivastava
  • Department of Agricultural Engineering, Jawaharlal Nehru Krishi Vishwa Vidyalaya, KrishiVigyan Kendra, Narsinghpur-487001 (MP), India.
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  •  Received: 14 March 2014
  •  Accepted: 09 January 2015
  •  Published: 29 January 2015

Abstract

An experiment on impact of different approaches of nutrient management in transplanted rice was conducted in participatory mode on mixed red to shallow black soils under irrigated domains in Kymore Plateau and Satpura Hills zone of central India. The study was carried out for three consecutive years since kharif 2008. The results revealed that the application of organic inoculants viz. blue green algae (BGA) and phosphate solubilizing bacteria (PSB) with NPK nutrients on soil test crop response (STCR) basis recorded higher grain yield (4.025 tonne ha-1) and straw yield (6.68 tonne ha-1) of rice. Further higher gross returns, net returns, yield response (kg) kg-1 nutrients use and net return (Rs) Re-1 spent on nutrients were observed when compared to the other treatments. The targeted yield in rice was achieved with integrated nutrient supply through organic and inorganic sources using STCR approach, however, ±5% deviation was observed using inorganic fertilizers alone through STCR technology. It was inferred from the study that the STCR technology may be the appropriate approach for optimum nutrient supply which improves the soil properties especially the soil health and productivity in a long run in comparison to other nutrient management technologies.

 

Key words: General recommended dose (GRD), soil test crop response (STCR), yield response, net return.