Morphological composition and rate of growth of the sward from birdsfoot trefoil (Lotus corniculatus L.) treated with organic fertilizer alfalfa blend
2011
Chourkova, B., Institute of Mountain Stockbreeding and Agriculture,Troyan (Bulgaria)
The study was conducted during the 2007-2009 period in the experimental field of IMSA-Troyan (Bulgaria). The aim was to determine the influence of the organic product alfalfa blend on the rate of growth of the sward from the birdsfoot trefoil. The organic preparation alfalfa blend was tested on a candidate variety of birdsfoot trefoil with the following factors and fertilizing rates: Factor A – dates of harvesting: а1 – budding stage, а2 – early flowering stage, Factor В – rates of fertilizing with leaf fertilizers: в0 – no fertilizing, в1 – leaf fertilizing at the dose of 1 l/ha, в2 – leaf fertilizing at the dose of 2 l/ha, в3 – leaf fertilizing at the dose of 3 l/ha. The birdsfoot trefoil treatment with an organic fertilizer as a cultivar factor exerted an effect on the height and morphological composition of the sward. As in the three years of study and on average over a significant influence on plant height was the stage of harvest than the dose of organic fertilizer. In flowering stage and during the three experimental years and three doses of the plants are higher than those harvested in the phase budding treated with the same doses. The strong positive correlation established between the height and the leaves (r = 0.5734) and low positive correlation between the leaves and the generative organs (r = 0.3370); between dry mass yield and the height (r = 0.2740) and the stems.
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