“Effect of Two Fumigating Chemicals, 2-Chloro-6-Trichloromethyl Pyridine and Temperature on Nitrification of Added Ammonium in Hawaiian Soils*”. Tropical Agriculture 48, no. 4 (October 30, 1971). Accessed January 20, 2025. https://journals.sta.uwi.edu/ojs/index.php/ta/article/view/3494.