DjousseKanouoAllaireMunson2019

Reference

Djousse Kanouo, B.M., Allaire, S.E., Munson, A.D. (2019) Quantifying the influence of eucalyptus bark and corncob biochars on the physico-chemical properties of a tropical oxisol under two soil tillage modes. International Journal of Recycling of Organic Waste in Agriculture, 8:211–224. (URL )

Abstract

Purpose This study aimed to assess the impact of two biochars applied at the rate of 15 t ha−1 on physico-chemical parametersof an oxisol in Cameroon.Methods The biochars were made from slow pyrolysis (~ 300 °C, 4 h) of eucalyptus tree bark and corncobs and then incorporatedinto the top 15 cm of the soil with or without straw. The soil tillage mode was either flat plots or furrows and ridges.Soil porosity, bulk density, saturated hydraulic conductivity, available water content, pH, nitrogen, potassium, phosphorus,cation exchange capacity and electrical conductivity were analysed before biochar application, then 6 and 12 months after.Results None of the measured soil physical parameters were affected by the presence or type of biochar. The total porositywas lower during the second production period compared to the first, while available water content and van Genuchtenparameters increased during the second production period. No significant difference was observed between soil nitrogen,phosphorus, potassium, cation exchange capacity and electrical conductivity of control and treated plots.Conclusion We recommend that straw be pyrolysed and the resulting biochar incorporated into soil instead of burying straw(as is actually done in furrow and ridges tillage mode).

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@ARTICLE { DjousseKanouoAllaireMunson2019,
    AUTHOR = { Djousse Kanouo, B.M. and Allaire, S.E. and Munson, A.D. },
    TITLE = { Quantifying the influence of eucalyptus bark and corncob biochars on the physico-chemical properties of a tropical oxisol under two soil tillage modes. },
    JOURNAL = { International Journal of Recycling of Organic Waste in Agriculture },
    YEAR = { 2019 },
    VOLUME = { 8 },
    PAGES = { 211–224 },
    MONTH = { dec },
    ABSTRACT = { Purpose This study aimed to assess the impact of two biochars applied at the rate of 15 t ha−1 on physico-chemical parametersof an oxisol in Cameroon.Methods The biochars were made from slow pyrolysis (~ 300 °C, 4 h) of eucalyptus tree bark and corncobs and then incorporatedinto the top 15 cm of the soil with or without straw. The soil tillage mode was either flat plots or furrows and ridges.Soil porosity, bulk density, saturated hydraulic conductivity, available water content, pH, nitrogen, potassium, phosphorus,cation exchange capacity and electrical conductivity were analysed before biochar application, then 6 and 12 months after.Results None of the measured soil physical parameters were affected by the presence or type of biochar. The total porositywas lower during the second production period compared to the first, while available water content and van Genuchtenparameters increased during the second production period. No significant difference was observed between soil nitrogen,phosphorus, potassium, cation exchange capacity and electrical conductivity of control and treated plots.Conclusion We recommend that straw be pyrolysed and the resulting biochar incorporated into soil instead of burying straw(as is actually done in furrow and ridges tillage mode). },
    DOI = { https://doi.org/10.1007/s40093-019-00292-w },
    URL = { https://rdcu.be/b3P9X },
}

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