2) soil nitrogen mineralization
土壤氮素矿质化
1.
In situ study on soil nitrogen mineralization in successive rotation stands of poplar plantation in north Jiangsu province
苏北杨树人工林连栽林地土壤氮素矿质化原位研究
3) mineral nitrogen
矿质氮
1.
Spatial variability of soil mineral nitrogen of farmlands in different regions of Ningxia;
宁夏不同地区农田土壤矿质氮的空间变异特征
2.
The content of soil microbial biomass nitrogen(B_N) and its affecting factors were reviewed,the important roles of soil microbial biomass nitrogen in soil nitrogen cycling were described,and the relationships of soil microbial biomass nitrogen with soil mineralizable nitrogen,mineral nitrogen,organic nitrogen and fixed ammonium were emphatically discussed in this paper.
简述了土壤微生物生物量氮的含量及其影响因素,阐述了其在土壤氮素循环中的重要作用,着重讨论了其与可矿化氮、矿质氮、有机氮和固定态铵之间的关系,指出土壤微生物生物量氮与供氮因子间的关系在氮素循环研究中有非常重要的作用,可为调控土壤氮素的供应状况,减少氮素损失,提高氮肥利用率提供科学依据,并提出了需要深入研究的问题。
3.
In order to provide a theoretical basis for rice cultivation mode in aerobic soil condition, a field experiment was conducted in Yancheng Academy of Agriculture Science, Jiangsu province from 2005 to 2006 and such parameters were determined as plant biological traits, nitrogen use efficiency differences, mineral nitrogen dynamic changes.
本试验通过在江苏省盐城市农科院试验场2005年和2006年两年的田间试验，研究了常规淹水栽培、覆盖薄膜旱作栽培、覆盖秸秆旱作栽培和裸地旱作等不同栽培方式下，稻麦轮作系统中作物生物学特征，氮肥利用率差异，土壤矿质氮动态变化，旨在阐明水稻栽培方式对稻麦轮作系统中土壤供氮特征及其对作物的生长影响机制，为提高氮肥利用效率和增加土壤肥力提供解决方法，并为水稻旱作进一步推广提供理论依据。
4) mineral N
矿质氮
1.
Dynamic changes of biomass N and mineral N in red soil amended with ryegrass:;
红壤添加有机质后生物量态氮和矿质氮的消长动态
2.
Effects of Cropping Systems on Soil Water, Organic N and Mineral N in Dryland Soil on the Loess Plateau;
黄土高原旱地种植体系对土壤水分及有机氮和矿质氮的影响
3.
We used classical statistical coupling with geo-statistical theory to characterize and compare the spatial variability of soil mineral N and topographic factors in the wind-water erosion crisscross region on the Loess Plateau.
为掌握小流域土壤特性与地形因子的关系及其空间变异规律,采用经典统计学与地统计学相结合的方法,对黄土高原水蚀风蚀交错带小流域土壤矿质氮与地形因子的关系及其空间变异性进行了系统研究,结果表明:①硝态氮的变异程度为强变异性,铵态氮、坡度、坡向则为中等变异性,土壤类型、土地利用对矿质氮的变异程度有极显著影响;②各研究特性在采样尺度内表现出不同程度的空间依赖性,铵态氮、海拔为强烈的空间依赖性,而硝态氮、坡度及坡向则为中等的空间依赖性;③分维数与空间异质比所揭示的结果具有一致性,各变量的分维数从大到小依次为:硝态氮(1。
5) Inorganic nitrogen
矿质氮
1.
The results showed that nitrogen addition increased significantly the contents of soil ammonium nitrogen,nitrate nitrogen,and inorganic nitrogen from June 1 to October 15,and the rates of net nitrogen mineralizatio.
对2006年生长季的观测发现,添加氮素显著提高了沙质草地生长季土壤铵态氮、硝态氮、矿质氮的含量以及9月1日至10月15日的净氮矿化速率与硝化速率;添加氮素导致土壤有效氮的季节变异增大,净氮矿化(1。
6) Soil mineral nitrogen
矿质氮素
1.
Impact of rainfall intensity on soil mineral nitrogen loss by runoff on loess slope;
降雨强度对黄土坡面矿质氮素流失的影响
补充资料：公理化方法(见公理化和形式化)
公理化方法(见公理化和形式化)
axiomatical method
gongllbuafangfa公理化方法化和形式化。(axiomatieal method)见公理
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