Khrbeet H. INFLUENCE OF FOLIAR APPLICATION OF ZINC ON SEED YIELD AND ITS COMPONENTS IN SOME ALFALFA VARIETIES. IRAQI JOURNAL OF AGRICULTURAL SCIENCES [Internet]. 1Dec.2018 [cited 20Nov.2019];49(3). Available from: http://jcoagri.uobaghdad.edu.iq/index.php/intro/article/view/103