& et al. M. EFFECT OF NITROGENOUS FERTILIZER SOURCES AND ANTI-TRANSPIRATION IN THE ROOT OF POTATO PLANT AND CONTENT OF THE CONCENTRATION OF NITRATE AND CYTOKININE AND PROLINE. IRAQI JOURNAL OF AGRICULTURAL SCIENCES [Internet]. 25Feb.2016 [cited 21Nov.2019];47(1). Available from: http://jcoagri.uobaghdad.edu.iq/index.php/intro/article/view/630