草炭,風化炭から抽出した腐植酸,フルボ酸のイネに対する生理活性効果
Plant Physiological Activities by Humic Acid and Fulvic Acid Extracted from Peat and Weathered Coal

Parida Yamada, Keisuke Asou, Yuuki Yazawa, Tatsuaki Yamaguchi
2002 Japanese Journal of Soil Science and Plant Nutrition  
doi:10.20710/dojo.73.6_777 fatcat:2dmz4fdsafepnekk72xaydbqle