Influence of Colored Plastic Mulch on the Leaf Calcium, Ascorbic Acid and Chlorophyll Content of Leaf Lettuce (Lactuca sativa L.). AJAFS [Internet]. 2015 Aug. 24 [cited 2026 Mar. 5];3(4). Available from: https://ajouronline.com/index.php/AJAFS/article/view/2755