Using Traditional and Simulation Methods for C and N Cycling Studies with Additional Periods of Human Civilisation: Replicating the Procedures at Regional Levels Advocate

  • Paul Ola IgbojiEmail author


Carbon and nitrogen cycling are two essential processes in soil health and ecosystem stability. Many researchers and scholars have supported these processes as immensely vital for continued life on the planet earth. Not just their cycling but carbon and nitrogen sink are needed in the era of greenhouse gases emissions, associated global warming and climate change. The sinking of nitrogen naturally and through the activities of nitrogen fixers is also a panacea to nitrogen mobility, accumulated losses and constant replenishment with costly and environment-damaging inorganic fertilisers. An English experience may give clue to global action plan on enhancing soil carbon and nitrogen sink for various periods of human civilisation. These periods were grouped into prehistoric, historical and agricultural revolution, post-agricultural revolution, Green Planet and Post Green Planet. Besides, several types of land management were compared with reference to effective and efficient carbon sequestration, namely, grassland under permanent pasture on 5-year ley prior to grazing, grassland under permanent pasture sown with red clover prior to grazing, arable land under barley and deciduous woodland. By the aid of modelling, simulated data was generated for over 8500 years of English agriculture and compared with field data. The study showed that all these land management practices sequester little or no carbon but required integrated approaches. Nevertheless, the practices if continued were found to be sustainable, as serious changes that may require other sustainable options were forecasted over subsequent 25–30 years.


Inorganic fertilisers Ecosystem stability Nitrogen cycling Carbon cycling 



Analysis of Variance


Agricultural revolution


Adenosine triphosphate


Bulk density


Cation exchange capacity




Carboxyl methyl cellulose




Cross polarisation magic angle spinning




Coefficient of variation




Dissolved organic carbon


Day of the year


Error degree of freedom




Electrostatic factor


Earth Model Bias Reduction and Assessing Abrupt Climate Change


Electronic spin resonance


Aromaticity fraction


Fulvic acid


Free-air carbon dioxide enrichment


Fisher’s least significant difference


Fourier transform infrared spectroscopy


Farmyard manure


Green Planet


Gross primary productivity


Hydrogen ion

Humic acid


Prehistoric agriculture


Historic agriculture


Humic substances


Potassium silicate


Potassium sulphate


Potassium chloride


Kilo Dalton


Microbial carbon


Mean residence time


Modified universal buffer


Molecular weight




Nuclear magnetic resonance


Above Datum




Organic matter


Post-agricultural revolution


Particle density


Post Green Planet


Prehistoric agriculture


р-Nitrophenyl Phosphate


Particulate organic matter


Coefficient of determination


Resistant plant material


Revolution per minute


Respiratory quotient


Research time


Standard error


Substrate-induced respiration


Soil organic carbon


Soil organic matter


Soil Organic Matter Network


Soil organic nitrogen


Soil water content


Water-filled pore space


Water holding capacity


Polymethylmethacrylate resin


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Authors and Affiliations

  1. 1.Department of Soil Science and Environmental ManagementFaculty of Agriculture and Natural Resources Management, Ebonyi State UniversityAbakalikiNigeria

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