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International Journal of Applied Agricultural & Horticultural Sciences
  • 28 April, 2024
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Language : English
DOI Prefix : 10.37322
P-ISSN : 0974-0775
E-ISSN : 2582-4198
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Vol. 11 (1) : January-February 2020 issue
Green Farming Vol. 11 (1) : 64-67 ; January-February, 2020
Plant nutrient deficiencies assessment in rice (Oryza sativa) through nutrient omission in Vertisols
S.P. SINGH1*,  CHANCHALA RANI PATEL2  and  K.K. PAIKRA3
Krishi Vigyan Kendra, Raigarh - 496 001, Indira Gandhi Krishi Viswavidyalaya, Raipur (Chhattisgarh)
Designation :  
1Senior Scientist and Head *(spsinghsahab@gmail.com), 2Farm Manager, 3Subject Matter Specialist
Subject : Agronomy and Crop Production
Paper No. : P-7816
Total Pages : 4
Received : 27 December 2019
Revised accepted : 13 January 2020
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Citation :

S.P. SINGH, CHANCHALA RANI PATEL and K.K. PAIKRA. 2020. Plant nutrient deficiencies assessment in rice (Oryza sativa) through nutrient omission in Vertisols. Green Farming  Vol. 11 (1) : 64-67  ;  January-February, 2020

ABSTRACT
Experiment was conducted on rice (Oryza sativa) during kharif 2015 at Instructional Farm of Krishi Vigyan Kendra, Raigarh (C.G.) to investigate the yield limiting nutrients through crop response in Vertisols with rice (MTU-1010) as test crop. The experiment was laid out in Completely Randomized Design (CRD) with 11 treatments and 3 replications. Yield attributing characters viz., effective tillers, filled grains panicle-1 and grain and straw yields of rice significantly influenced by nutrient omission treatments. Omission of N, P, S and Zn resulted in significant reductions in yield attributing parameters and grain and straw yields. Highest grain and straw yields (28.69 and 31.35 g pot-1, respectively) were recorded with the treatment receiving all the nutrients whereas the lowest with omission of N (18.46 and 21.01 g pot-1, respectively) followed by P, S and Zn omission. Omission of N reduced the grain yield by 35.65% while P omission reduced grain yield by 28.89% over the treatment receiving all nutrients. omission of N, P and S reduced the yield attributing parameters and grain and straw yields significantly. Nutrient uptake by rice was significantly reduced with omission of N, P, S and Zn. On the basis of per cent grain yield reduction, the limiting nutrients found in the order of N > P > S > Zn.
Key words :
Nutrient omission, Nutrient uptake, Rice, Vertisols, Yield attributes.