Effect of groundwater recycle system on nitrate load distribution in an agricultural island, Japan

Jiahui Bai1, Shin-ichi Onodera1, Guangzhe Jin2, Mitsuyo Saito3, Yuta Shimizu4 and Kenji Matsumori4, (1)Hiroshima University, Higashi-Hiroshima, Japan, (2)Hiroshima University, Higashi Hiroshima, Japan, (3)Okayama University, Okayama, Japan, (4)NARO National Agriculture and Food Research Organization, Ibaraki, Japan