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Advances in soil-borne plant diseases - download pdf or read online

By Rob Jenkins, C.K. Jain

ISBN-10: 9380179154

ISBN-13: 9789380179155

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1959. Microorganisms and Soil Fertility. Oregon State College. Oregon State Monographs, Studies in Bacteriology, No. 1. 22 p. F. Baker. 1983. The Nature and Practice of Biological Control of Plant Pathogens. APS Press, St. Paul, MN. W. ). Soilborne Plant Pathogens: Management of Diseases with Macro- and Microelements. American Phytopathological Society. 217 p. Hudson, Berman D. 1994. "Soil organic matter and available water capacity". Journal of Soil and Water Conservation. March-April. p. 189-194.

For example, epigeic earthworms are very efficient at making compost but have no impact on soil structure. Anecic earthworms strongly influence soil properties, they build a network of galleries near to the soil surface and deposit casts on the soil surface. Their activity enables the incorporation of large amounts of leaf litter into the soil. Endogeic earthworms are very important in soil structure because of their burrowing activities and their impact on soil aggregation and SOM stabilisation.

Earthworms determine the vertical repartition depth in soil. _. Thus, through their different activities and effects on soil, soil organisms create and accumulate structures that give soils specific architectures. Networks of galleries, the accumulation and spatial array of biogenic aggregates and surface deposits are among the conspicuous features that can be observed in the field. The nature and array of these structures depend on the organisms that have produced them. The physical and chemical parameters of the soil that was used to make the biostructures are also important as they determine the resistance and persistence of these structures.

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Advances in soil-borne plant diseases by Rob Jenkins, C.K. Jain

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