EFFECT OF ORGANIC FERTILIZER SOURCRS AND CHEMICL FERTILIZATION ON SOME SOIL PHYSICL TRAITS AND YIELD OF SUMMER SQUASH (Cucurbta Pepo L.): EFFECT OF ORGANIC FERTILIZER SOURCRS AND CHEMICL FERTILIZATION ON SOME SOIL PHYSICL TRAITS AND YIELD OF SUMMER SQUASH (Cucurbta Pepo L.). IJMRCP [Internet]. 2022 Dec. 31 [cited 2024 May 3];14(2):74-81. Available from: https://www.jmracpc.uobaghdad.edu.iq/index.php/IJMRCP/article/view/305