Biblio
] , “Assessment of wool-waste and hair-waste as soil amendment and nutrient source”, J. Environ. Qual., vol. 34, pp. 2310-2317, 2005.
, “Studies on the effect of heavy metals (Cd, Pb, Cu, Mn, Zn and Fe) upon the growth, productivity and quality of lavander (Lavandula vera DC) Production. ”, in 24th international symposium on essential oils, 1993.
, “Preemergence weed control in ornamental perennials.”, CANADIAN JOURNAL OF PLANT SCIENCE, vol. 86, no. 5, 2006.
, “Effect of N on yield and chemical profile of winter canola in Mississippi”, Journal of Oleo Science, vol. 62, no. 7, pp. 453 - 458, 2013.
, “Peppermint Productivity and Oil Composition as a Function of Nitrogen, Growth Stage, and Harvest Time”, Agronomy Journal, vol. 102, no. 1, p. 124, 2010.
, “Achievements in breeding on medicinal and aromatic plants in Bulgaria”, Beitrage zur Zuchtungsforschung , vol. 2, pp. 142-145, 1996.
, “Lemongrass productivity, oil content, and composition as a function of N, S, and harvest time”, Agron J, vol. 103, pp. 805-812, 2011.
, “Lavender and hyssop productivity, oil content, and bioactivity as a function of harvest time and drying”, Industrial Crops and Products, vol. 36, no. 1, pp. 222 - 228, 2012.
, “Changes in the quality of Mentha rhizome as depending on the time of overground mass harvesting and the method of weed control”, Higher Institute of Agriculture – Plovdiv, Scientific Works, vol. 37, pp. 239-247, 1992.
, “Comparison of three digestion methods for the recovery of 17 plant essential nutrients and trace elements from six composts”, Compost Sci. and Util., vol. 10, pp. 197-203, 2002.
, “Effect of heavy metals on peppermint and cornmint”, Plant and Soil, vol. 178, no. 1, pp. 59 - 66, 1996.
, “Effect of Coal-Bed Methane Water on Spearmint and Peppermint”, J. Environ. Qual, vol. 42, pp. 1815-1821, 2013.
, “Effect of foliar application of methyl jasmonate and extracts of juniper and sagebrush on essential oil yield and composition of Native spearmint”, HortScience, vol. 48, pp. 462-465, 2013.
, “Yield and composition of Ocimum basilicum L. and Ocimum sanctum L. grown at four locations”, HortScience, vol. 43, no. 3, 2008.
, “Drying and Shade Effects on Spearmint Oil Yields and Composition”, HortScience, vol. 49, no. 3, 2014.
, “Application of High-Cu Compost to Dill and Peppermint”, Journal of Agricultural and Food Chemistry, vol. 52, no. 9, pp. 2615 - 2622, 2004.
, “Effect of herbicides on yields and quality of Coriandrum sativum L. production.”, J. Essent. Oil Res., vol. 7, pp. 633-639, 1995.
, “Cultivar and sowing date effects on seed yield and oil composition of coriander in Atlantic Canada”, Industrial Crops and Products, vol. 28, pp. 88-94, 2008.
, “Tolerance of bare-rot ornamental perennials to selected herbicides”, Can. J. Plant Sci. , pp. 439-442, 2007.
, “Productivity, content, and composition of the essential oil of three basil genotypes as a function of harvesting”, HORTSCIENCE, vol. 42, no. 4, 2007.
, “Distillation time alters essential oil yield, composition and antioxidant activity of female Juniperus scopulorum trees”, Journal of Essential Oil Research, vol. 25, no. 1, pp. 62 - 69, 2013.
, “Study on the effect of highly heavy metal polluted soils on metal uptake and distribution in plants from genera Artemisia, Draccocephalum, Inula, Ruta, and Symphytum”, Acta Hort. , vol. 426, pp. 397-417, 1996.
, “Scanning electron microscopy investigation on the spermoderma of grown in Bulgaria cultivars from genus Salvia, Lavandula, and Ocimum”, Acta Hort. , vol. 426, pp. 473-482, 1996.
, “Herbicides for Weed Control in Blessed Thistle (Silybum Marianum)”, Weed Technology, vol. 31, no. 3, pp. 1030 - 1034, 2006.