1·Fertilizer: potassium humate, sodium humate.
化肥：腐植酸钾、腐植酸钠。
2·The mechanism of affection of potassium humate to slurry is discussed.
同时阐述了腐植酸钾对泥浆的作用机理。
3·This article deals with productive technology oi potassium humate with decomposed coal.
本文研究由风化煤制取腐植酸钾的生产工艺。
4·The results showed that applying potassium humate increased the root fresh mass and root vigor significantly, and promoted the root growth especially in later period.
结果表明：施用腐植酸钾显著地提高了生姜根系鲜质量和根系活力，促进了根系的生长发育，尤其在生育后期表现明显。