1) fixed ammonium
固定态铵
1.
The dynamics and availability of soil fixed ammonium in rice-duck complex ecosystems;
稻鸭共作生态系统稻田土壤固定态铵含量及有效性
2.
Profile distribution of fixed ammonium in some paddy soils in Hunan province;
湖南省某些稻田土壤固定态铵的剖面分布
3.
Relationship Between the Release of Fixed ammonium from Yellow Brown Soil and the Density of Ryegrass;
黄棕壤矿物固定态铵的释放与黑麦草种植密度的关系
2) fixed-NH_4~+-N
固定铵态氮
1.
Paleoclimatic significance of fixed-NH_4~+-N in the Luochuan loess section during the last 130 ka;
最近13万年以来洛川黄土剖面中固定铵态氮的古气候意义
3) release of fixed ammonium
固定态铵的释放
1.
The kinetics of release of fixed ammonium from several types of cultivated upland soils and paddy soils derived from chief parent materials in Hunan province, China, were studied with sampling on fields, and laboratory incubation and determination.
结果表明,供试土壤固定态铵的释放非常缓慢。
4) Residual fixed ammonium
残余固定态铵
5) Fixed ammonium in soil
土壤固定态铵
1.
This paper summarizes the data on the study of fixed ammonium in soils as follows:comparison and evaluation of determination method of fixed ammonium, origin and content of fixed ammonium and its distribution in soil profile, factors affecting fixation and release of ammonium in soil,availability of fixed ammonium to plant.
综述了土壤固定态铵测定方法 ,土壤固定态铵的来源、含量及其在剖面中的分布 ,影响铵的矿物固定与释放的因素 ,固定态铵的有效性
6) fixed NH_4~+ capacity
固定态铵容量
补充资料：铵态氮肥
分子式：
分子量：
CAS号：
性质：以铵盐或氨为主要成分的氮肥。主要有氨水、液氨、硫酸铵、碳酸氢铵、氯化铵和磷酸铵等。能溶于水，肥效快，易被土壤和作物所吸收。可用于各种土壤，特别适用于水田。但氨水和液氨易流失，碳酸氢铵也易分解损失。不可与草木灰、石灰等碱性肥料相混合，以免引起氨的损失。
分子量：
CAS号：
性质：以铵盐或氨为主要成分的氮肥。主要有氨水、液氨、硫酸铵、碳酸氢铵、氯化铵和磷酸铵等。能溶于水，肥效快，易被土壤和作物所吸收。可用于各种土壤，特别适用于水田。但氨水和液氨易流失，碳酸氢铵也易分解损失。不可与草木灰、石灰等碱性肥料相混合，以免引起氨的损失。
说明：补充资料仅用于学习参考，请勿用于其它任何用途。
参考词条