acid humus soil 酸性腐殖质土
Humus acid [土壤] 腐殖酸 ; 腐植酸 ; 黑腐酸 ; 胡敏酸
natural humus acid 天然腐殖酸
regenerative humus acid 再生腐殖酸
oxidation degree of humus acid 腐殖酸的氧化度
p humus acid p型腐殖酸
coal humus acid 煤炭腐植酸
regenerated humus acid 再生腐殖酸
Humus Acid Fertilizers 腐殖酸液肥
The results showed: fertilization could increase the content of humus, decrease E4/E6, and improve the degree of complexity of humic acid molecule.
结果表明：通过施肥提高腐殖质的含量同时能降低胡敏酸E4/E6值，增加了胡敏酸分子的复杂程度。
Application organic fertilizer for long time can improve the content of humus, and inorganic fertilizer can enhance the content of Fulvic acid, decrease the content of humic acid.
长期施用有机肥能提高胡敏酸的含量，施用无机化肥可提高富里酸降低胡敏酸的含量。
No appreciable effect of humus acid was noted.
腐殖酸效果不明显。
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