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- W3159552612 abstract "We used anongoing long-term field trial established since 1960 in Burkina Faso, to studythe microbial properties of a Ferric Lixisol under various crop management andfertilization regimes. Microbial respiration rate, microbial biomass carbon(MBC) and soil bacteria’s number were assessed in soil samples taken at 0 - 20 cmdepth. The crop management were continuous cropping of sorghum (Sorghumbicolor L.) (S/S) and rotation between sorghum and cowpea (Vignaunguiculata L.) (S/C), while the fertilization regimes were: 1)Control (te); 2) Low rate of mineral fertilizer (fm); 3) Low rate of mineralfertilizer + sorghum straw restitution (fmr); 4) Low rate of mineral fertilizer+ low rate of manure (fmo); 5) High rate of mineral fertilizer (FM); and vii)High rate of mineral fertilizer + high rate of manure (FMO). The manure isapplied every second year. The results indicate that sorghum/cowpea rotationsignificantly increase MBC and bacteria number as compared to continuoussorghum cropping. MBC ranged from 335.5 to 54.85 μg C g−1 soilwith S/S and from 457.5 to 86.6 μg C g−1 soilwith S/C. Application of high level of manure and mineral fertilizer increasemicrobial respiration rate and MBC. The highest MBC was observed with FMO andthe lowest with the control. In general, the metabolic quotient (qCO2)was negatively impacted by the fertilization and cowpea rotation. For S/Srotation, qCO2 of the control was 1.5 to 2 times that of thetreatments with low mineral fertilizer (fmr, fmo and fm) and 3 times that ofthe high rate of fertilization (FM and FMO). With S/C rotation, qCO2 of the control was 2 times of that fmr, FM and FMO and 0.8 times that of fmoand fm. Soil bacteria in the fmr were 63.6 and 12.4 times the control in theS/S and S/C rotations, respectively. In sum, combined application of manure andmineral fertilizer with crop rotation is the best management practices toimprove in sustainable way microbial activities in tropical soil." @default.
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- W3159552612 date "2021-01-01" @default.
- W3159552612 modified "2023-10-14" @default.
- W3159552612 title "Microbial Properties of a Ferric Lixisol as Affected by Long Term Crop Management and Fertilization Regimes in Burkina Faso, West Africa" @default.
- W3159552612 doi "https://doi.org/10.4236/ojss.2021.114014" @default.
- W3159552612 hasPublicationYear "2021" @default.
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