Z. J. Al-Mousawi and S.O.Mohammed 2017. EFFECT OF THE PLASTIC COVER COLOR AND ELECTROCUTION IN ROOT GROWTH INDICATORS AND VOLATILE OILS CONTENT OF THE TANACETUIM PARTHENIUM L.OF PLANT ROOTS . IRAQI JOURNAL OF AGRICULTURAL SCIENCES. 48, 6 A (Dec. 2017), 1504–1511. DOI:https://doi.org/10.36103/w1qc0x41.