Chemical attributes of soil and occurrence of mycorrhizal fungi under areas of pasture and agroforest system, Brazil.

Acta Agronómica

Loss, Arcângelo¹  Saggin Junior, Orivaldo José²  Lã, Otávio Raymundo¹  Callegario Pereira, Ana Carolina¹  Ribeiro da Silva, Eliane Maria²  Lima Magalhães, Márcio Osvaldo¹  Robles Angelini, Guilherme Augusto¹ 

[1]Universidade Federal Rural do Rio de Janeiro, RJ, Brasil

[2]Embrapa, RJ, Brasil

关键词: Nutrient acquisition;    infectivity potential;    microbial ecology;    mycorrhizal colonization;   

DOI  :  

学科分类：农业科学（综合）

来源: Universidad Nacional de Colombia * Facultad de Ciencias Agropecuarias Palmira

【 摘 要 】

This study had as objective characterize the chemical attributes of soil and to evaluate the community of arbuscular mycorrhizal fungi (AMFs) in a pasture area and agroforest system (AFS). The area this study is located in the Agroecological Farm, 22° 45'S, 43° 41'W, in the Seropédica, Rio de Janeiro State, Brazil. The soil samples were taken in depth of 0-5 cm and quantified the tenors of total organic carbon (TOC), Ca, Mg, pH, P and K. They were counted and identified the spores of FMAs. The found results were analyzed as design entirely casuality, with application of the test F. Verified statistically higher values of COT, Ca, Mg and K in AFS, as well as the largest number of spores of mycorrhizal fungi. One was observed lowers diversity of species of FMAs, and Glomus macrocarpum and Acaulospora scrobiculata were the dominant species in the two areas. The management of the soil might have influenced in the smallest number of spores of FMAs found under pasture. Through the analysis of main components it was possible to separate the two appraised areas, being the behavior similar to the verified in the univariate analysis.

【 授权许可】

CC BY-NC-SA