ECO FRIENDLY UTILIZATION OF NUTRIENT ENRICHED BIOCHAR FROM SUGAR INDUSTRY WASTES AND ITS EFFECT ON YIELD AND NPK UPTAKE BY HYBRID MAIZE GROWN IN VERTISOL

N. EAZHILKRISHNA¹*, T. THILAGAVATHI², M. BASKAR^3
1Department of Soil Science and Agricultural Chemistry, Tamil Nadu Agricultural University, Coimbatore, 641 003, India
²Department of Soil Science and Agricultural Chemistry, Anbil Dharmalingam Agricultural College and Research Institute, Tamil Nadu Agricultural University, Trichy, India
³Institute of Agriculture, Anbil Dharmalingam Agricultural College and Research Institute, Tamil Nadu Agricultural University, Kumulur, India
* Corresponding Author : eazhilkrishna@gmail.com

Received : 13-06-2017     Accepted : 15-06-2017     Published : 06-07-2017
Volume : 9     Issue : 31       Pages : 4456 - 4459
Int J Agr Sci 9.31 (2017):4456-4459

Keywords : Biochar, Vertisol, Maize, Yield, Sugar industry wastes, Nutrient uptake and Soil Fertility
Conflict of Interest : None declared
Acknowledgements/Funding : Author thankful to Department of Soil Science and Agricultural Chemistry, Anbil Dharmalingam Agricultural College and Research Institute (ADAC&RI), Tamil Nadu Agricultural University, Tiruchirapalli - 620 009, Tamil Nadu. M/s. EID Parry (I) Ltd., Nellikuppam, Cuddalore district, Tamil Nadu, India
Author Contribution : EAZHILKRISHNA N - designed the study and carried out the implementation including field work and analysis (both samples and data) and interpretation of data. Drafting the research work and revised it critically for important contents and approved the rese

Sugar industry is the second largest agricultural industry in the country and generating huge amount of by-products, such as bagasse, molasses and pressmud, which are creating the storage problem. The Nutrient Enriched Biochar (NEB) was prepared by utilizing these wastes with the nutrient composition (NPK) of 7: 7: 7. A field experiment was conducted during 2015-16 by following randomized block design to study the effect of nutrient enriched biochar from sugar industry wastes on yield of hybrid maize (NK6240) on Typic Chromustert of Tamil Nadu. The treatments were Absolute Control (T1), 50% RDF through NEB (T2), 75% RDF through NEB (T3), 100% RDF through NEB (T4), 125% RDF through NEB (T5), 50% RDF through NEB and 50% RDF through inorganic fertilizers (T6) and 100% RDF through inorganic fertilizers (T7). The results of the field experiment revealed that the grain yield (5821 kg ha-1) and stover yield (9788 kg ha-1) significantly increased upto 100% RDF through NEB (T4) which is 19% higher than 100% RDF through inorganic fertilizers (T7). Since the nutrient supplied through NEB is released in a phased manner, it enhanced the uptake of nutrients and there by enhanced the yield of hybrid maize.

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