Indian Journal of Agricultural Research

  • Chief EditorV. Geethalakshmi

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Indian Journal of Agricultural Research, volume 49 issue 2 (april 2015) : 185-188

Effect of biochar on yield and nutrient uptake by hybrid maize and on soil fertility

K. Coumaravel, R. Santhi*, S. Maragatham
1Department of Soil Science and Agricultural Chemistry, Tamil Nadu Agricultural University, Coimbatore-641 001, India.
Cite article:- Coumaravel K., Santhi* R., Maragatham S. (2024). Effect of biochar on yield and nutrient uptake by hybrid maize and on soil fertility . Indian Journal of Agricultural Research. 49(2): 185-188. doi: 10.5958/0976-058X.2015.00028.1.

ABSTRACT

A field experiment was conducted with maize hybrid NK6240 at Tamil Nadu Agricultural University, Coimbatore during rabi 2010-2011 on an Inceptisol to evaluate the effect of biochar on yield, NPK uptake and fertility status of the soil. The experiment was laid out in a randomized block design (RBD) with 12 treatments and replicated thrice. The results revealed that Integrated Plant Nutrition System (IPNS) i.e. application of biochar @ 10 t ha-1 along with the recommended dose of NPK (250:75:75 kg ha-1) + FYM @ 12.5 t ha-1 and Azospirillum @ 2 kg ha-1 had recorded significantly higher yield and NPK uptake with sustained soil fertility. Further, the study clearly broughtforth the fact that for increased productivity of maize with sustained soil fertility, application of biochar must be coupled with either IPNS or recommended dose of NPK fertilisers.

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