Forms and nature of organic N in soil

@article{Kelley2004FormsAN,
  title={Forms and nature of organic N in soil},
  author={Kent R Kelley and Frederick J. Stevenson},
  journal={Fertilizer research},
  year={2004},
  volume={42},
  pages={1-11}
}
Most of the N in surface soils occurs in organic forms. The organic N in soil plays a key role in plant nutrition and soil fertility through its effects on microbial activity and nutrient availability. Typically, about one-third of the fertilizer N applied to temperate-zone soils is immobilized and retained in organic forms at the end of the growing season. A significant portion of this newly immobilized N is no more available to microorganisms and plants than the native humus N. Stabilization… CONTINUE READING

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