“Effects of Plastic Mulches on the Levels of N, P, and K in Soil and Leaves of Cucumber (Cucumis Sativus L.). (207)”. Tropical Agriculture 77, no. 4 (October 30, 2000). Accessed April 23, 2025. https://journals.sta.uwi.edu/ojs/index.php/ta/article/view/1471.