Incidence of agroforestry systems Hevea brasiliensis (Willd. ex A.Juss.) Müll.Arg. on physical properties of soil hilly in Caquetá department, Colombia

Autor: Gelber Rosas Patiño, Jader Muñoz Ramos, Juan Carlos Suárez Salazar
Jazyk: English<br />Spanish; Castilian<br />Portuguese
Rok vydání: 2016
Předmět:
Zdroj: Acta Agronómica, Vol 65, Iss 2, Pp 116-122 (2016)
Druh dokumentu: article
ISSN: 0120-2812
2323-0118
DOI: 10.15446/acag.v65n2.45173
Popis: Between April and July 2010, the effects of different agroforestry systems with rubber (Hevea brasiliensis Muell) on the physical properties of soil in hilly area in the municipalities of Belén de los Andaquíes, Florencia and El Doncello (Department of Caquetá, Colombia) were evaluated. H. brasiliensis Muell as monoculture and associated with fruit trees (SAF) and secondary vegetation (SAR) were compared against secondary forest (Bs) and native pasture (PNA). A completely randomized two-factor design was arranged with five treatments (SAF, SAR, Mhe, Bs, and PNA) and two horizons (H-A, H-B). Relationships between physical variables between treatments were explored by using a principal component analysis, and the effect of agroforestry arrangements was assessed with a test of Monte Carlo. Compaction, real density and gravimetric moisture were similar (P> 0.05) in H-A of Pna and Mhe. A positive significant effect (P
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