Yield, Weed Infestation and Seed Quality of Soybean (Glycine max (L.) Merr.) under Different Tillage Systems

Małgorzata Haliniarz Haliniarz, Dorota Gawęda, Rafał Cierpiała, Irena Klusek
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Soybean is a very valuable crop plant and the soybean crop area is continually increasing in the world and in Poland.
The effectiveness of soybean cultivation depends on soil and climatic conditions as well as on appropriate tillage. An
alternative for plough tillage in the cultivation of soybean is to grow this crop using no-tillage, the popularity of which
is constantly growing. The aim of this study was to compare the effect of conventional tillage (CT) and no-tillage
(NT) on yield, weed infestation and qualitative seed composition of soybean grown under the conditions of the Lublin
Upland. A field study was carried out over the period 2009-2012 at the Czesławice Experimental Farm (51° 18′ 23″ N,
22° 16′ 2″ E). The experiment was set up on loess-derived grey-brown podzolic soil as a split-block design in four
replicates. The experimental factors were the following tillage systems: conventional tillage (CT) and no-tillage (NT).
The soybean cultivar Nawiko was grown in the experiment. The present study showed that the soybean seed yield
obtained under CT was higher by 24.3% than under NT. The main reason of the seeds yield decrease in the NT was less
soybean plant density. The significant higher number and weight of weeds were recorded in NT, relative to CT. The oil
content in seed harvested from the NT plots was found to be higher by 0.3%.

Anahtar kelimeler

Glycine max; Conventional system; No-tillage

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