EFFECT OF LEAVES DEFOLIATION AND DATE OFDEFOLIATION ON GROWTH OF SUNFLOWER PLANT(Helianthus annuus L.) IN GYPSYFEROUS SOIL. Iraqi Journal of Science [Internet]. 2024 Nov. 15 [cited 2024 Nov. 16];50(4):445-54. Available from: https://ijs.uobaghdad.edu.iq/index.php/eijs/article/view/14280