Response of INM in rice in rice–wheat cropping system

KAUTILYA CHAUDHARY; H C TRIPATHI; KULDEEP SINGH; SHWETA SHWETA; ASHOK KUMAR

doi:10.56093/ijas.v91i1.110922

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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