Tag Archives: post-emergence crop tillage

444-450 V. Pilipavičius, P. Lazauskas and S. Jasinskaitė
Weed control by two layer ploughing and post-emergence crop tillage in spring wheat and buckwheat
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Weed control by two layer ploughing and post-emergence crop tillage in spring wheat and buckwheat

V. Pilipavičius, P. Lazauskas and S. Jasinskaitė

Lithuanian University of Agriculture, Dept. of Soil Management, Studentu 11, LT-53361Akademija, Kaunas r., Lithuania; tel.: +370 37 75 22 11, fax: +370 37 75 22 93;e-mail: vytautas.pilipavicius@lzuu.lt, petras.lazauskas@lzuu.lt; sonata.jasinskaite@lzuu.lt

Abstract:

Experiments were carried out at the Kazliškiai organic farm of the Lithuanian University of Agriculture in the period of 2002–2003. The aim of the work was to investigate elements of non-chemical weed control methods as main soil tillage, pre-sowing and post-sowing tillage. According to theoretical preconditions and data of the experiment, it is proved that total turnover of the layer in organic agriculture is a very important means of weed control decreasing weediness of the crop and increasing harvest. Two types of plough in combination with different pre-sowing and post-sowing soil tillage implements and technologies in crops of spring wheat and buckwheat were investigated. Spring wheat crops were grown comprising two varieties differing in plant height for additional investigations of their crop smothering power for weeds. It was proven that, for weed control, two-layer ploughing technology was favourable to conventional ‘cultural’ ploughing technology and that taller varieties had greater smothering power for weeds than shorter ones.

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