The yielding and weed infestation of blue lupine mixtures with oat cultivated for green mass

Abstract

The paper presents the results from the studies carried our in 2009-2011. The objective of the research was to evaluate the influence of the share of components in the mixtures of blue lupine and oat, and the harvest date on the yield, and weed infestation. Two factors were taken into account: I-the share of components in the mixture: blue lupine (pure stand) 100%, oat (pure stand) 100%, blue lupine 75% + oat 25%, blue lupine 50% + oat 50%, blue lupine 25% + oat 75%, II-the harvest date: flowering stage of blue lupine, flat green pod stage of blue lupine. The results showed that the blue lupine and oat mixtures were less infested with weeds than blue lupine cultivated in a pure stand. The less mass of weed was observed in the mixtures that were harvested at the flowering stage of blue lupine than at the flat green pod stage of blue lupine. The highest yield of green matter was obtained from the blue lupine and oat mixture with the share of components 50% + 50% and the oat cultivated in a pure stand, and harvested at the flat green pod stage of blue lupine.