北海道農耕地土壌における硝酸態窒素残存許容量と流れ易さの区分
Acceptable Level of Residual Nitrate in the Soil Profile for Classifying Nitrate Leaching Potential in Agricultural Soils in Hokkaido

Naomichi Miki, Daiji Asaka, Hitosi Hashimoto
2000 Japanese Journal of Soil Science and Plant Nutrition  
doi:10.20710/dojo.71.3_396 fatcat:cl33e7c7ijhtvpqlda3z3qbdia