No burning sugarcane trashes makes sugarcane production - net carbon sequestering

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Published: Mar 15, 2017
Keywords:
No cane burning Trash farming Carbon sequestration Ex-ante carbon balance Nitrogen fixation Sugarcane

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Mendoza, T. C.
Institute of Crop Science, College of Agriculture and Food Sciences, UP Los Baños, Laguna, Philippines

Abstract

The No cane burning/trash farming practice could shift sugarcane production  from carbon emitting into carbon sequestering (carbon negative) due to the following: 1) direct C-sequestration from humus-C incorporated in the soil  at 6.0 t CO2e/ha ; 2) avoidance of emission of CH4, CO, N2O during cane burning  at 1.794 t CO2e/ha  ; 3)   Increased the ratoon cycles from the usual one to two ratoons  to 4  up to 6 ratoons leads to avoided  carbon dioxide emission at  0.257 t CO2e/ha/ratoon  ; 4) the conserved  three macronutrients (N, P, K) at  0.814. t CO2e/ha ; 5)the  avoided  emission due to  N-fixation in the decomposing trash that  reduces the  nitrogen fertilizer input to be  applied to grow sugarcane at 3.09 t CO2e/ha; or a total of  11.955 t CO2e/ha   . The calculated  carbon emission in the usual sugarcane production practice  centered  on  burning  canes was  7.591 t CO2e/ha .The ex –ante carbon balance of   no burning /trash farming  is 4.364 t CO2e/ha .  The challenge is how to STOP burning of canes before and after harvest.  An agro-environmental Protocol must be formulated and be agreed upon by the planters association and the government for implementation in the different sugarcane producing provinces.

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Mendoza, T. C. (2017). No burning sugarcane trashes makes sugarcane production - net carbon sequestering. International Journal of Agricultural Technology, 13(2), 247–267. retrieved from https://li04.tci-thaijo.org/index.php/IJAT/article/view/6731
Issue
Vol. 13 No. 2 (2017): March
Section
Original Study
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