Response of INM in rice in rice–wheat cropping system


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Authors

  • KAUTILYA CHAUDHARY Chandra Shekhar Azad University of Agriculture and Technology, Kanpur 208 002, India
  • H C TRIPATHI Chandra Shekhar Azad University of Agriculture and Technology, Kanpur 208 002, India
  • KULDEEP SINGH Chandra Shekhar Azad University of Agriculture and Technology, Kanpur 208 002, India
  • SHWETA SHWETA Chandra Shekhar Azad University of Agriculture and Technology, Kanpur 208 002, India
  • ASHOK KUMAR Chandra Shekhar Azad University of Agriculture and Technology, Kanpur 208 002, India

https://doi.org/10.56093/ijas.v91i1.110922

Keywords:

Integrated nutrient management, Nutrient uptake, Head rice recovery, Rice quality

Abstract

A field experiment was carried out at the research farm of C.S. Azad University of Agriculture & Technology, Kanpur, UP during kharif of 2013-14 & 2014-15, to study the effect of INM on yield, nutrient contents and uptake of rice. The experiment was conducted with 11 treatments, viz. control, 100% NPK (RDF 120:60:40 kg/ha), 100% NPK + FYM 5 t/ha, 100% NPK + blue green algae (BGA), 100% NPK + FYM + BGA, 100% NPK + 40 kg S/ha, 100% NPK + 5 kg Zn/ha, 100% NPK + 40 kg S/ha + 5 kg Zn/ha, 100% NPK + 40 kg S/ha + 5 kg Zn/ha + 10 kg Fe/ ha, 100% NPK + FYM + BGA + 40 kg S/ha + 5 kg Zn/ha + 10 kg Fe/ha and 125% NPK in RBD replicated thrice. Results of this study revealed that among the different INM options significantly highest grain (5.27 t/ha), straw (6.23 t/ha) and biological yield (11.5 t/ha) with harvest index (45.8%) were recorded with 100% NPK + FYM + BGA + 40 kg S/ha + 5 kg Zn/ha + 10 kg Fe/ha. Application of 100% NPK increased grain yield by 100% over control and further addition of FYM at the rate of 5 t/ha increased the yield by 2.75% compared to 100% RDF. The highest protein content, starch content and head rice recovery was recorded with application of 100% NPK + FYM + BGA + 40 kg S/ha + 5 kg Zn/ha + 10 kg Fe/ha.

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Submitted

2021-03-02

Published

2021-03-02

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How to Cite

CHAUDHARY, K., TRIPATHI, H. C., SINGH, K., SHWETA, S., & KUMAR, A. (2021). Response of INM in rice in rice–wheat cropping system. The Indian Journal of Agricultural Sciences, 91(1), 39–43. https://doi.org/10.56093/ijas.v91i1.110922
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