Humus

(-i, vocabulum femininum) in scientia solorum est pars  quae forma caret, sine “structura cellularis plantarum, microorganismorum, vel animalium propria.”Anglice: “cellular structure characteristic of plants, micro-organisms or animals.”D. C. Whitehead et J. Tinsley (1963), “The biochemistry of humus formation,” Journal of the Science of Food and Agriculture 14(12):849–857. doi:10.1002/jsfa.2740141201. Abstractum. Humus densitatem soli magnopere afficit, retentionemque  et nutrimentorum auget. Vocabulum humus in agricultura aliquando adhibetur ad compositum maturum, vel naturale, ex silva vel alio fonte automato extractum, pro usu ad solum emendandum describendum.humus. Encyclopædia Britannica. Encyclopædia Britannica Online. Encyclopædia Britannica Inc., 2011. Web. 24 Nov 2011. Adhibetur etiam ad stratum soli superioris describendum quod materiam organicam continet (nomine typus humi,O. G. Chertov, A. S. Kornarov, G. Crocker, P. Grace, J. Klir, M. Körschens, P. R. Poulton, et D. Richter, 1997, “Simulating trends of soil organic carbon in seven long-term experiments using the SOMM model of the humus types,” Geoderma 81:121–135.. forma humi,R. Baritz, Humus Forms in Forests of the Northern German Lowlands (Stutgartiae: Schweizerbart, 2003). facies obliqua humiB. T. Bunting et J. Lundberg (1995), “The Humus Profile-Concept, Class and Reality,” Geoderma 40:17–36, doi:10.1016/0016-7061(87)90011-5.).

Diversa soli genera maiorem aut minorem partem humi habent; maximam (usque ad 15%) habet solum nigrum. Solum griseum, exempli gratia, 4% humi habet.

 Acidum humicum
 Biochar
 Biomassa
 Detritus
 Glomalinum
 Materia biotica
 Terra (solum)
 Terra preta


 Notae 

 Bibliographia 
 Weber, Jerzy. Types of humus in soils. Wroclaw Poloniae: Agricultural University of Wroclaw.

Categoria:Agricultura organica
Categoria:Edaphologia
Categoria:Horticultura organica
Categoria:Pedologia
Categoria:Scientia solorum