Guano: The White Gold of the Seabirds

@article{Schnug2018GuanoTW,
  title={Guano: The White Gold of the Seabirds},
  author={Ewald Schnug and F. H. H. Jacobs and Kirsten St{\"o}ven},
  journal={Seabirds},
  year={2018}
}
The term “ Guano ” applies to natural mineral deposits consisting of excrements, eggshells and carcasses of dead seabirds found in almost rainless, hot-dry climatic regions and corresponding fertilizers. Guanos are classified according to age, genesis, geographical origin and chemical composition. Main types are nitrogen- and phosphate Guanos. Phos- phate Guanos require a calcareous subsoil for the development, while nitrogen Guanos are formed only under the special climatic conditions of the… 

Applications of guano and K2CO3 on soil potential-P, potential-K on Andisols

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