forest humus

常見(jiàn)例句

雙語(yǔ)例句

• The Black Death of 1348was caused by gradual loss of the humus fertility found under forest trees.
  1348年黑死病之所以爆發(fā)，是因?yàn)樯种袠?shù)木下的腐殖質(zhì)肥料成分逐漸減少的緣故。
• Humus layer in different forest types and soil surface type and quantity of soil fungal communities have a significant difference.
  不同林型腐殖質(zhì)層和土壤表層的土壤真菌群落種類(lèi)和數(shù)量都具存在顯著差異。
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