V. Vasileva
Institute of Forage Crops-Pleven, Department Technology and Ecology of Forage Crops, 89 General Vladimir Vazov Street. Pleven 5800, Bulgaria
[ 1 ] - Nitrogen use efficiency and life cycle of nodules in alfalfa after different mineral fertilization and soil cultivation
Nitrogen use efficiency and life cycle of root nodules in alfalfa after different mineral fertilization and soil cultivation practices were studied. Field trial was conducted in the Institute of Forage Crops, Pleven, Bulgaria on leached chernozem subsoil type and no irrigation. The next treatments were tested: i) for fertilization as follows: N0P0K0 (control); N60P100K80 (an accepted technology...
[ 2 ] - Aboveground to root biomass ratios in pea and vetch after treatment with organic fertilizer
Some growth parameters of pea (cv. Pleven 4) and vetch (cv. Obrazets 666) after treatment with organic fertilizer were studied in a field trial carried out at the Institute of Forage Crops, Pleven, Bulgaria. Humustim as organic fertilizer was applied through presowing treatment of seeds, treatment during vegetation and combination between both, at different doses. Ratios of aboveground weight t...
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