生産技術における地力窒素の重要性(水田の窒素をめぐる諸問題)
Significance of Soil Nitrogen in Rice Cropping(Nitrogen Problems with Special Reference to Paddy Rice Cultivation)

Ko-ichi HONYA
1975 Japanese Journal of Soil Science and Plant Nutrition  
doi:10.20710/dojo.46.7_247 fatcat:7ekvwnfbvnh55grl4taoh4lvly