& Majid A. THE ACTIVITY OF ANTIOXIDANTS ENZYMES AND NPK CONTENTS AS AFFECTED BY WATER QAULITY, KINETIN, BIO AND ORGANIC FERTILIZATION IN LETTUCE (Lactuca sativa L.). IRAQI JOURNAL OF AGRICULTURAL SCIENCES [Internet]. 1Jun.2018 [cited 20Nov.2019];49(3). Available from: http://jcoagri.uobaghdad.edu.iq/index.php/intro/article/view/123