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RECYCLING OF SILICA RICH INDUSTRY WASTE ASH FOR ECONOMISING USE OF PHOSPHATIC FERTILIZERS IN TYPIC HAPLUSTERT OF JABALPUR

P.R. Dikshit, N.J. Sawarkar; Ajay Kaushal, S.K. Khatik

Affiliations

¹nebartment of SOU Science and Agricultural Chemistry J.N. Krishi Vishwa Vidyalaya, Jabalpur • 482 004, India

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Cite article:- Dikshit P.R., Kaushal Ajay Sawarkar; N.J., Khatik S.K. (2025). RECYCLING OF SILICA RICH INDUSTRY WASTE ASH FOR ECONOMISING USE OF PHOSPHATIC FERTILIZERS IN TYPIC HAPLUSTERT OF JABALPUR. Indian Journal of Agricultural Research. 35(2): 108 -111. doi: .

ABSTRACT

Field experiments were conducted on Typic Haplusterts by growing paddy, gram, soybean, wheat, niger and wheat in sequence from kharif 1994 to rabi 1997 with two levels of poha industry waste ash (PIWA) @ 3 and 4 t ha−1 and without and with P @ 80 and 120 kg Pps ha−1. The treatments were imposed in the same plots. To evaluate the effect of treatments on soil health, yield and nutrition, soybean crop was grown in kharif 1998 without impositjon of any treatment; Results showed that grain and straw yields, total P uptake and available P content in soil were comparable in most of the crops in treatments 3t + PIWA + 80 kg P2O5 and 120 kg P2O5. Yield of soybean crop grown in kharif 1998 maintained the yield levels and P uptake. These results show that PIWA can be used to save the use of P fertilizer without any detrimental effect on soil health as PIWA is a waste material and is available cost free around the areas where poha (compressed rice) industries are located

KEYWORDS

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