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Effects of tillage systems on soil characteristics, glomalin and mycorrhizal propagules in a Chilean Ultisol by F. Borie; R. Rubio; J.L. Rouanet; A. Morales; G. Borie; C. Rojas is a Agricultural and Biological Sciences article available to read on EtoBox.

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Tillage affects the soil physical and chemical environment in which soil microorganisms live, thereby affecting their number, diversity and activity. However, soil disturbance generally has the greatest impact on biological properties, including both free and symbiotic fungal populations. Interest in more ecologically sustainable agricultural systems is rising with increasing recognition that agricultural intensification can adversely affect environmental quality. This paper discusses the effect of tillage system on some soil characteristics, such as pH, C, N and S levels, total and Olsen-P contents including some P forms associated with organic matter, glomalin contents and arbuscular mycorrhizae (AM) parameters, such as root colonization, spore number and total and active hyphal length. Measurements were in the sixth year of an on-going tillage-rotation experiment conducted on an Ultisol under no-till (NT), reduced tillage (RT) and conventional tillage with stubble mixed into the soil (CTS) or stubble burnt (CTB). Soil was sampled at two dates; after wheat (Triticum aestivum) harvest (autumn) and 6 months after subsequent grassland seeding (spring). Higher C, N, S, total P and fu

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Author

F. Borie; R. Rubio; J.L. Rouanet; A. Morales; G. Borie; C. Rojas

Publisher

Elsevier Science; Elsevier ; Elsevier BV (ISSN 0167-1987)

Published

2006

Language

EN

Field

Agricultural and Biological Sciences (Life Sciences)