常見(jiàn)例句雙語(yǔ)例句Soil total organic carbon decreased 8.3% and 11.2% for nitrogen and no fertilizer treatments.單施氮肥和不施肥土壤縂有機(jī)碳有所下降，降幅爲(wèi)8.3%和11.2%。Soil total organic carbon was negatively correlated with depth of soil, is not significant difference among soil layers in NTS.NTS的土壤全碳含量與土層深度顯著負(fù)相關(guān)，各土層間的全碳含量差異不顯著。Results showed that there were no significant differences in soil total organic carbon, soil moisture content, pH and soil microbial biomass phosphorus in each soil layer between the two plantations.結(jié)果表明，在各個(gè)土層中，兩種林分下的土壤含水量、pH值、有機(jī)碳的含量以及微生物生物量磷均無(wú)顯著差異。 返回 soil total organic carbon