
Implications of Climate Change on Nutrient Dynamics in Soil
C. Sudhalakshmi
Coconut Research Station, Aliyar Nagar, Tamil Nadu (642 101), India
DOI: NIL
Keywords: Climate Change, Microbes, Nitrification, Temperature
Abstract
Climate change leaves exceptional imprints in all walks of agriculture and soil is the sensitive victim to witness the catastrophes of the weather extremities. Climate change will have noteworthy impact on soil nutrient dynamics and species distribution of microbes. With increased temperature, soil organic matter gets mineralized at a faster pace resulting in decline of soil organic carbon pool, however CO2 fertilization effects due to enhanced CO2 concentration cannot be overruled. High temperature hastens nitrification process, higher precipitation favours nitrate leaching losses and accumulation of ammonia; Elevated temperature increases phosphorus mineralization but potassium is not visibly altered due to the drivers of climate change except for leaching loss of potassium due to heavy precipitation. Climate change has a significant impact on the microbial population, biochemical pathways of microbes and genetic signaling for carbon cycling.
Downloads
not found
Reference
Delgado-Baquerizo, M., F.T. Maestre, A. Gallardo, 2013. Decoupling of soil nutrient cycles as a function of aridity in global drylands. Nature 502, 672-676.
Wagg C., B. Boller, S. Schneider, F. Widmer, M.G.A. Van der Heijden M. G. A., 2015. Intraspecific and intergenerational differences in plant-soil feedbacks. Oikos 124, 994-1004.