Microbiological attributes, organic carbon, and soil hydrothermal regime under Copernicia prunifera waste application
سال انتشار: 1402
نوع سند: مقاله ژورنالی
زبان: انگلیسی
مشاهده: 74
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شناسه ملی سند علمی:
JR_ROWA-12-0_001
تاریخ نمایه سازی: 14 شهریور 1402
چکیده مقاله:
Purpose This study aimed to verify the effects of the application of carnauba waste on the biological attributes, organic carbon content, and hydrothermal regime of soil.Method The experiment was performed in randomized blocks with six treatments and four replicates. The treatments were as follows: (۱) NPK (recommended dose of synthetic fertilizers: ۱۰۰:۱۸۰:۸۶ kg ha-۱ NPK); (۲) surface application of ۱۰ t ha-۱ carnauba waste; (۳) incorporation of ۱۰ t ha-۱ carnauba waste; (۴) surface application of ۱۰ t ha-۱ carnauba waste + NPK; (۵) incorporation of ۱۰ t ha-۱ carnauba waste + NPK; and (۶) bare and unfertilized soil (control).Results Treatments that received carnauba waste showed higher amounts of organic carbon, carbon accumulation, microbial biomass, and CO۲ in the surface layer of the soil, from ۰.۰ to ۰.۱۰ m, compared to control treatments. Although there was no difference in the respiration rates between the treatments, the metabolic quotient tended to decrease in the treatments that received carnauba waste. Treatment with carnauba waste resulted in a decreased soil bulk density in the surface layer. Soil covered with carnauba waste maintained higher soil moisture and lower temperatures. Multivariate analysis showed that applying carnauba waste with NPK to the soil surface significantly affected soil quality attributes.Conclusion The use of carnauba residue combined with fertilizer can improve the microbiological attributes of the soil, increase the organic carbon content in the soil, and reduce thermal amplitude, which can help maintain higher levels of moisture in the soil.
کلیدواژه ها:
نویسندگان
A C Rodrigues
Federal University of Piaui, Teresina, Piaui, Brazil
C R do Nascimento
Technical College of Teresina, Teresina, Piaui, Brazil
L B S de Miranda
Federal University of Piaui, Teresina, Piaui, Brazil
A R L de Miranda
Federal Institute of Maranhão, Caxias, Maranhão, Brazil
R S de Sousa
Department of Agricultural Engineering and Soil Science, Federal University of Piaui, Teresina, Brazil
L A P L Nunes
Department of Agricultural Engineering and Soil Science, Federal University of Piaui, Teresina, Brazil
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