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International Journal of Applied Agricultural & Horticultural Sciences
  • 29 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. 7 (4) : July-August 2016 issue
Green Farming Vol. 7 (4) : 946-949 ; July-August, 2016
Response of rice for micronutrients under different amendments in sodic soil
B.R. INIYALAKSHIMI1, M. BASKAR2*, P. BALASUBRAMANIAM3 and T. RAMESH4
Deptt. of Soil Science & Agricultural Chemistry, Anbil Dharmalingam Agricultural College and Research Institute, Trichirapalli, Tamil Nadu Agricultural University (Tamil Nadu)
Designation :  
1P.G. Student, 2,4Asstt. Professor *(mbaskar_uma@rediffmail.com), 3Professor
Subject : Soil Science & Agric. Chemistry; Soil Health & Soil Conservation Engg.
Paper No. : P-4154
Total Pages : 4
Received : 27 August 2015
Revised accepted : 31 May 2016
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Citation :

B.R. INIYALAKSHIMI, M. BASKAR, P. BALASUBRAMANIAM and T. RAMESH. 2016. Response of rice for micronutrients under different amendments in sodic soil. Green Farming Vol. 7 (4) : 946-949 ; July-August, 2016

ABSTRACT
A field experiment was conducted on sodic soil using rice as a test crop. Gypsum+GM, DSW and GLM were used as amendments (main-plot treatments) for the reclamation of sodic soil and different levels of micronutrient mixture viz., 75, 100, 125 and 150 percent recommended dose were imposed as sub-plot treatments. The application of amendments significantly reduced the pH and ESP. The growth and yield parameters also showed a significant response on reclamation and micronutrient application. The DTPA extractable micronutrients in post-harvest soil and uptake of Zn, Fe, Mn and Cu by rice was significantly enhanced due to soil reclamation and micronutrient application. Application of Gypsum +GM or DSW or GLM can be effectively used as an amendment for the reclamation of sodic soil. However, the DSW exhibited its superiority over others. Application of micronutrients is necessary even after reclamation of sodic soil. On application of Gypsum+GM, DSW and GLM, 125, 75 and 150 percent recommended dose of micronutrient mixture is suggested to obtain maximum yield under sodic soil. Application of at least 37.5 kg ha-1 of MN mixture is required for sodic soil without reclamation.
Key words :
DSW, GLM, Growth & yield attributes, Gypsum+GM, Micronutrient mixture, Rice crop, Sodic soil.