Tag Archives: agrotechnical methods

387-393 H. Lõiveke and K. Sepp
Effect of agrotechnical methods on occurrence of diseases and productiveness of cereals in organic agriculture
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Effect of agrotechnical methods on occurrence of diseases and productiveness of cereals in organic agriculture

H. Lõiveke¹ and K. Sepp²

¹Department of Plant Sciences, Estonian Research Institute of Agriculture, Teaduse Str. 13,75501 Saku, Harjumaa, Estonia; GSM 5101830; fax 6711540; e-mail: heino.loiveke@eria.ee
²Department of Agricultural Research, Agricultural Research Centre, Teaduse Str. 4/6, 75501Saku, Harjumaa, Estonia

Abstract:

The occurrence of diseases and productiveness in organic agriculture depending on sowing time, tillage method and use of manure was studied during 2006, 2007 and 2008. Infection of spring wheat with Septoria leaf blotch and powdery mildew and infection of spring barley with net and leaf blotch in the case of early and 2–2.5 weeks late sowing did not differ significantly towards the end of the vegetation period. The severity of common root rot was also virtually similar. Differences of yield favoured the earlier sowing. The severity of some diseases in spring barley did depend on tillage method. In the case of autumn ploughing the spring barley had less infection with common root rot and foliar diseases compared to the reduced autumn tillage. Yield differences also favoured autumn ploughing. The positive effect of manure on the severity of foliar diseases and common root rot was low or absent, but manure positively influenced productiveness of the cereals.

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