常見例句雙語例句The content of total nitrogen, organic nitrogen, total phosphorus and phosphorus types in the sediment were obviously decreased with depth.沉積物中全氮和有機(jī)氮隨深度增加而明顯降低。Results showed that soil total nitrogen and organic nitrogen fractions were significantly influenced by long-term application of chemical fertilizer and manure.結(jié)果表明,長期施用化肥和有機(jī)肥對(duì)土壤全氮和土壤有機(jī)氮組成有顯著影響。The result showed that the contents of the total nitrogen organic matter and available nitrogen in the soil gently increased in 2005, but were fluctuated at a certain level in 2006.土壤速效磷和土壤速效鉀與其它土壤養(yǎng)分指標(biāo)相比變化幅度較大且趨勢不一致,土壤速效磷在2005年有先上升后下降的過程,而在2006年表現(xiàn)為較為平緩的上升。 返回 total organic nitrogen