Hatano, S., Y. Fujita, Y. Nagumo, N. Ohtake, K. Sueyoshi, Y. Takahashi, T. Sato, S. Tanabata, K. Higuchi, A. Saito, and T. Ohyama. “Effect of the Nitrification Inhibitor 3,4-Dimethylpyrazole Phosphate on the Deep Placement of Nitrogen Fertilizers for Soybean Cultivation”. Research and Development in Agricultural Sciences Vol. 1, Jan. 2020, pp. 47-61, https://stm1.bookpi.org/index.php/rdas-v1/article/view/847.