E
V. D. Zheljazkov, Yankov, B., and Topalov, V.,
“Effect of Mechanical and Chemical Weed Control on the Growth, Development and Productivity of Mentha piperita and M. arvensis var. piperascens Grown for Planting Material”,
Journal of Essential Oil Research, vol. 8, no. 2, pp. 171 - 176, 1996.
I. Dimitrov, Terziev, Z., Zheljazkov, V. D., and Janchev, I.,
“Effect of fertilization and planting density on the productivity of maize hybrids grown under water stress. ”,
Higher Institute of Agriculture – Plovdiv, Scientific Works, vol. 36, pp. 67-71, 1991.
S. D. Urbaniak, Caldwell, C. D., Zheljazkov, V. D., Lada, R., and Luan, L.,
“The effect of cultivar and applied nitrogen on the performance of Camelina sativa L. in the Maritime Provinces of Canada”,
Can. J. Plant Sci. , vol. 88, pp. 111-119, 2008.
S. D. Urbaniak, Caldwell, C. D., Zheljazkov, V. D., Lada, R., and Luan, L.,
“The effect of cultivar and applied nitrogen on the performance of Camelina sativa L. in the Maritime Provinces of Canada”,
Canadian Journal of Plant Science, vol. 88, no. 1, pp. 111 - 119, 2008.
V. D. Zheljazkov, Cantrell, C. L., Astatkie, T., Schlegel, V., Jeliazkova, E. A., and Lowe, D.,
“Effect of Coal-Bed Methane Water on Spearmint and Peppermint”,
J. Environ. Qual, vol. 42, pp. 1815-1821, 2013.
V. D. Zheljazkov, Cantrell, C. L., Astatkie, T., Schlegel, V., Jeliazkova, E. A., and Lowe, D.,
“The Effect of Coal-Bed Methane Water on Spearmint and Peppermint”,
Journal of Environment Quality, vol. 42, no. 6, p. 1815, 2013.