Įvairių organinių mulčių įtaka piktžolėtumui ir valgomosios bulvės (Solanum tuberosum L.) derlingumui

Abstract

The aim of researches – to estimate the influence of different organic mulches on soil, weediness (dynamics of weed shooting, abundance of weeds), edible potato crops productivity. To compare with control treatment the wheat straw, sawdust and grass mulches decreased the emergence of weeds by 4.2 iki 5.4 times. Wheat straw, sawdust and grass mulches significatly decreased the emergence of annual weeds by 2.1–9.7 times. The sawdust mostly decreased the weeds re-growth (4.0 times) compared with the not mulched plots. In 2012, the highest significant effect on potato productivity was exerted by grass mulch (48.27 Mg ha–1). By mulching potato crop with lawn grass mulch, potato tuber productivity significantly increased by 12.8 %, compared with the not mulched soil. The impact of sawdust mulch was negative and significant – potato tuber productivity in the sawdust mulched plots was by 1.9 times lower than in the not mulched plots.