Y. Kirkova, G. Stoimenov Nikola Poushkarov Institute of Soil Science, Sofia, Bulgaria kirkova@mail.bg   Abstract Two year (1999– 2000) experiments were conducted with sunflower in rotation with maize for grain on leached meadow- cinnamon soil in the Experimental station of the “N.Pushkarov” Institute of Soil Science in Tzalapitza, Plovdiv district(East Middle South Bulgaria). The aim […]

Georgi Stoimenov, Yordanka Kirkova,Vera Petrova Nikola Poushkarov Institute of Soil Science, Sofia, Bulgaria stoimenovg@abv.bg   Abstract: Three year (2008-2010) field experiment was carried out in private vineyard massive with 2 vine grape sorts (Merlot and Mavrud) and one dessert grape (Palieri) in village Tzalapitza, Plovdiv region (Central South Bulgaria) on leached meadow-sinnamonic soil The aim […]