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International Journal of Current Microbiology and Applied Sciences (IJCMAS)
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National Academy of Agricultural Sciences (NAAS)
NAAS Score: *5.38 (2019)
[Effective from January 1, 2019]
For more details click here

ICV 2017: 100.00
Index Copernicus ICI Journals Master List 2017 - IJCMAS--ICV 2017: 100.00
For more details click here

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Original Research Articles

PRINT ISSN : 2319-7692
Online ISSN : 2319-7706
Issues : 12 per year
Publisher : Excellent Publishers
Email : editorijcmas@gmail.com / submit@ijcmas.com
Editor-in-chief: Dr.M.Prakash
Index Copernicus ICV 2017: 100.00
NAAS RATING 2018: 5.38

Int.J.Curr.Microbiol.App.Sci.2019.8(11): 167-176
DOI: https://doi.org/10.20546/ijcmas.2019.811.021


Soil Test based Phosphorus Nutrition as Cost Reduction Technology in Sugarcane
Ch.S. Rama Lakshmi*, A. Sireesha, T. Sreelatha, P. Jamuna and M. Bharatha Lakshmi
Regional Agricultural Research Station, Anakapalle, Visakhapatnam district-531001, India
*Corresponding author
Abstract:

A field experiment was conducted at Regional Agricultural Research Station, Anakapalle in plant – ratoon sequence with different levels of phosphorus and uniform recommended dose of nitrogen and potassium under high P clay loam soils of North Coastal Andhra Pradesh during 2014-2015 and 2015-2016. The aim of this present study is to reduce/optimize the phosphorus fertilizer doses under high P soils. Results revealed that, significantly highest cane yields of 76.90 and 67.90 tha-1 was recorded with 70 kg P2O5 ha-1 in plant and ratoon crops, respectively and it was on par with 50 kg P2O5 ha-1 (76.47 and 64.47 tha-1, respectively). Significant sugar yield response was observed to increasing levels of P upto 50 kg P2O5 ha-1and highest sugar yields of 11.0 tha-1 and 8.80 tha-1 were recorded with 50 kg P2O5 ha-1 in plant-ratoon sequence. Experimental results clearly indicating the role of P in juice quality enhancement as juice quality was increased with increasing levels of P from 0 to 50 kg P2O5 ha-1, later there was no significant changes in juice quality with increasing P levels up to100 kg P2O5 ha-1. Results clearly showing the synergistic effect of P on nutrient uptake and use efficiency of all the macro nutrients as evidenced with macro nutrient build up in soils with increasing P levels. The findings of this study would help in reduction of 50 % P fertilizer dose under high P soils for achieving desirable yield levels and will in turn reduce the expenditure on P fertilizers without compromising cane yield, sugar yield, juice quality and soil fertility status.


Keywords: Phosphorus levels, Nutrient uptake, Juice quality, Cane and sugar yield
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How to cite this article:

Rama Lakshmi, Ch.S., A. Sireesha, T. Sreelatha, P. Jamuna and Bharatha Lakshmi, M. 2019. Soil Test based Phosphorus Nutrition as Cost Reduction Technology in Sugarcane.Int.J.Curr.Microbiol.App.Sci. 8(11): 167-176. doi: https://doi.org/10.20546/ijcmas.2019.811.021