同等和减半施氮量条件下，玉米产量和氮素利用率都有显著提高。
The corn yield and nitrogen use efficiency are significantly increased with the same or half nitrogen amount treatments of CRNF.
未接种处理氮素利用率逐渐增加，其余与接种处理的变化规律相同。
Utilization rate of not-inoculated gradually increased, but the others were the same with the treatment of inoculated.
中度放牧可提高牧草对氮素的利用率。
结果表明，优化施肥能明显降低稻-麦轮作系统中的氨挥发损失，提高稻麦对氮素的利用率。
The results showed that ammonia volatilization losing could be obviously reduced in rice-wheat rotation system with optimization method, and nitrogen efficiency was also improved.
动力学模型需要大量的田间实测资料，主要应用于农田氮素循环、定量评价水氮资源利用率、优化水肥管理措施等方面。
The DPM method needs lot of field data, mainly to study nitrogen cycle in field, assess water and nitrogen usage efficiency and optimize management soil water and nitrogen fertilizer.
结果表明，麦棉套作条件下，小麦对肥料氮的吸收和利用率显著提高，且所吸收的氮素较多地分配到籽粒中。
The results showed that the efficiency of fertilizer N used by wheat increased and a higher percentage of N absorbed was translocated into grain under the interplanting condition.
大麦相对于豌豆的氮素竞争比率与间作群体氮肥利用率呈显著正相关关系。
N competition between barley and pea was positively correlated with N use efficiency in the intercropping plant population.
与此相反，棉花所吸收的氮量和肥料氮利用率均比纯作春棉降低，收获期有较多的氮素滞留于营养器官和铃壳中。
On the contrary, N utilization and absorption by cotton decreased. At harvest, a higher percentage of nitrogen remained in vegetative organs.
氮素籽粒产量利用率、氮素收获指数与结实率、单株籽粒重和单株有效穗数均呈极显著正相关。
NGPE and NHI were significantly positively associated with seed setting rate, grain weight per plant and effect panicle per plant.
氮素生物产量利用率籼稻略大于粳稻，但差异不显著；
There was no obvious different on NPBPE, even the value of indica rice were a little big than Japonica rice.
氮素生物产量利用率籼稻略大于粳稻，但差异不显著；
There was no obvious different on NPBPE, even the value of indica rice were a little big than Japonica rice.
应用推荐