• Integrated approach to nutrient cycling monitoring 

      Scholes, M. C.; De Villiers, S.; Scholes, R. J.; Feig, G. (Academy of Science for South Africa, 2007)
      There are two issues of social importance in relation to nutrient cycling. The first is the depletion of nutrients in croplands and rangelands. The second is the overabundance of nutrients through the enhancement of inputs, ...