Biblio
“Impact of laser irradiation of cotton seeds on the yields and quality of cotton”, Higher Institute of Agriculture – Plovdiv, Scientific Works, vol. 39, pp. 167-173, 1994.
, “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.
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