1. Nitrogen use efficiency and life cycle of nodules in alfalfa after different mineral fertilization and soil cultivation

V. Vasileva; I. Pachev

Volume 1, Issue 4 , Autumn 2015, , Pages 333-339

http://dx.doi.org/10.7508/gjesm.2015.04.008

Abstract
  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 ...  Read More

2. Aboveground to root biomass ratios in pea and vetch after treatment with organic fertilizer

V. Vasileva

Volume 1, Issue 2 , Spring 2015, , Pages 145-148

http://dx.doi.org/10.7508/gjesm.2015.02.006

Abstract
  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 ...  Read More