助手标题  
全文文献 工具书 数字 学术定义 翻译助手 学术趋势 更多
查询帮助
意见反馈
   土壤速效氮 的翻译结果: 查询用时:0.997秒
图标索引 在分类学科中查询
所有学科
农作物
农业基础科学
农艺学
更多类别查询

图标索引 历史查询
 

土壤速效氮     
相关语句
  soil available nitrogen
     Compared with 1980, the contents of soil available nitrogen and potassium increased 12.6% and 24.2%(p<0.05) in 2003, respectively.
     结果表明,研究的9个代表性稻田土壤,与1980年比较,2003年的土壤速效氮和速效钾含量分别增加12.6%和24.2%,差异达显著水平(p<0.05);
短句来源
     The effect of temperature on soil organic matter, nitrogen and phosphorus decreased with soil available nitrogen, soil organic matter, soil total nitrogen, soil total phosphorus, and soil available phosphorus.
     土壤温度对土壤有机质、氮、磷作用强度依次为土壤速效氮、土壤有机质、土壤全氮、土壤全磷、土壤速效磷;
短句来源
     The effect of precipitation on soil organic matter, nitrogen and phosphorus decreased with soil total nitrogen, soil organic matter, soil total phosphorus, soil available nitrogen and soil available phosphorus.
     土壤含水量对土壤有机质、氮、磷作用强度依次为土壤全氮、土壤有机质、土壤全磷、土壤速效氮、土壤速效磷;
短句来源
     The lab test results showed that application of soil nitrogen regulator decreased soil available nitrogen content significantly,which decreased 19.81 mg / kg 25 days after application.
     室内试验结果表明,施用土壤氮素调理剂能够显著降低土壤速效氮含量,施用调理剂25d后土壤速效氮含量最低降到19.81mg/kg。
短句来源
     Soil samples were taken in 12 regions 91 counties of Yunnan province with random design. the results showed that the high soil organic matters and available nitrogen were found,25.48% of the soil organic matters is over 4% and more than 78% the soil available nitrogen is over(100mg/kg).
     2004年对云南省12个地州91个县的植烟土壤取样分析结果表明,土壤有机质和速效氮含量较丰富,有25.48%的土壤有机质含量超过了4%,78%的土壤速效氮含量在100 mg/kg以上;
短句来源
更多       
  soil available n
     After 3 years,The soil organic content,soil available N,P,K and total N,P,K of artificial grassland respectively increased by 14.01%,4.91%,5.85%,5.76%,5.87%,0.92%;
     人工草地建植3年后土壤速效氮、速效钾,碱解氮和全氮、磷、钾分别增加14.01%,4.91%,5.85%,5.76%,5.87%,0.92%。
短句来源
     When the wheat were reaped,compared with the control,the contents of soil available N,available P,available K and contents of soil organic matter were increased 0.74-1.74 mg/kg,0.53-1.33 mg/kg,3.90-6.57 mg/kg,0.07-0.13 g/kg.
     结果表明,整个种植期内,秸秆施酶处理土壤速效氮、磷、钾及有机质含量都高于不施酶处理,小麦收获时,施酶处理速效氮、磷、钾及有机质含量分别高出不施酶处理0.74~1.74 mg/kg,0.53~1.33 mg/kg,3.90~6.57 mg/kg,0.07~0.13 g/kg;
短句来源
     The results showed that soil available N content increased with high C/N materials addition when there was no inorganic nitrogen application.
     结果表明在缺乏外源无机氮时,C/N高的有机物更能激发土壤氮的矿化,土壤速效氮含量增加。
短句来源
     The relationships between the content of soil available N,available K,non-exchangeable K and the wheat root activities reached significant or very significant level during wheat growth,this illustrated that the availability of soil N and K was an important factor that affected the wheat root activities.
     土壤速效氮、速效钾、非交换性钾含量与小麦根系活力呈显著或极显著正相关,说明土壤N、K养分有效性的高低是影响小麦根系活力的重要因素。
短句来源
     This experiment was conducted to comparatively study the effects of compound fertilizer(CF) and coated compound fertilizer(CCF) on yield,nitrogen use efficiency(NUE),soil available N content(SANC) and apparent budget of soil N(ABSN) in summer maize in north China plain.
     以郑单958为材料,比较研究了复合肥(CF)与包膜复合肥(CCF)对华北平原夏玉米产量、氮肥利用率及土壤速效氮与土壤氮素表观盈亏的影响。
短句来源
更多       
  soil mineral nitrogen
     The diagnosis index of the soil mineral nitrogen was indicated in wheat tillering stage and the fertilizer formula was established by the determination and analysis of the soil mineral nitrogen and the apparent coefficient of the nitrogen fertilizer. This formula had improved on the old and it has a wide practical value.
     通过对小麦分蘖期土壤速效氮及肥料表观系数的测定分析,确定了两类不同土壤的小麦分蘖期氮素诊断指标,建立了分蘖期营养诊断施氮公式。
短句来源
  “土壤速效氮”译为未确定词的双语例句
     The results showed that the organic matter content is low in tea garden soils of Xinyang,ranging from 9 to 20g/kg in 93.5% of the soils tested. The available nitrogen varied between 109 and 350mg/kg,with 94% of the soils higher than 120mg/kg,which went beyond the limit for tea tree growth.
     研究表明,信阳茶园土壤有机质处于低等水平,93.5%的土壤有机质含量在9~20 g/kg,速效氮含量较高,变化范围在109~350 mg/kg,94%的土壤速效氮含量超过120 mg/kg;
短句来源
     In summer pasture,with the increase of stocking rate,contents of AN for different stratums decreased with depth. When stocking rate was 1.07,1.08 and 1.22 heads·hm~(-2) respectively,contents of AN for 0~5 cm,5~10 cm and 10~20 cm in sequence reached the minimum value.
     随着放牧率的逐渐增加,夏季草场不同土壤深度速效氮含量也逐渐减小,当放牧率达到1.07、1.08和1.22头·hm-2时,0~5、5~10、10~20cm土壤速效氮含量依此达到最小;
短句来源
     In rice-duck-fish area, the content of quick acting nitrogen in soil increased 14.6mg/kg than that in CK, the quick acting potassium is 11.02mg/kg higher than in CK, and the quick-acting phosphorus added 1.0mg/kg than that in CK;
     稻-鸭-鱼区土壤速效氮含量与对照相比增加了14.6 mg/kg,速效钾含量与对照相比提高了11.02mg/kg。
短句来源
     The supplies of available N,P and K in soil are K>P>N,and about 80% of soil appears deficient in latent available K,83% and 88% soil are relatively deficient in available P and N.
     速效养分的供应状况为 K>P>N,约 80 %的土壤出现潜在性缺钾 ,83%的土壤速效磷含量较低或缺乏 ,88%的土壤速效氮较低或缺乏。
短句来源
     The content of rapidly available nitrogen is significantly affected by interaction between film -covered and nitrogen fertilizer, and their average interactive value of the sand filter experiment and the minor plot experiment is respectively 139 mg/kg and 11.1 mg/kg.
     地膜与氮肥的交互作用对土壤速效氮含量有显著影响,砂滤管试验中,其互作值平均139mg/kg,微型小区试验中其互作值平均11.1mg/kg。
更多       
查询“土壤速效氮”译词为用户自定义的双语例句

    我想查看译文中含有:的双语例句
例句
为了更好的帮助您理解掌握查询词或其译词在地道英语中的实际用法,我们为您准备了出自英文原文的大量英语例句,供您参考。
  soil available nitrogen
The relationships between fluxes (N2O and CH4) and some major environmental factors (temperature, soil water content and soil available nitrogen) were studied.
      
Thus, the increased productivity and corresponding lower soil available nitrogen levels observed in high diversity plots do not lead to faster litter decomposition or faster nitrogen turnover.
      
Annual application of fertilizers for a period of 32 years to coconut resulted in a marked increase in available phosphorus and potassium status in soil, but a marginal change in soil available nitrogen status was observed.
      
To find out a rapid and reliable procedure for estimating soil available nitrogen (N), the standard alkaline-permanganate extraction and its modification to include soil NO3 were evaluated.
      
  soil available n
But the compound effects of soil available N, soil temperature and soil moisture content are significant to every root parameter.
      
Soil available N increment could promote its immobilization by microorganisms.
      
The SOM status studied in this paper includes soil microbial biomass, soil available N, hot water extractable C (HwC) and N (HwN) and soil neutral sugar-C composition.
      
The soil microbial biomass C (MBC) and N (MBN), soil available N, HwC and HwN increased upon application of Ba and Li.
      
No quantitative relationship was observed between application of organic material and MBC, MBN or soil available N.
      
更多          
  soil mineral nitrogen
Soil mineral nitrogen dynamics under bare fallow and wheat in vertisols of semi-arid Mediterranean Morocco
      
The within-field variability of soil mineral nitrogen (Nmin) in a grazed grassland of 8000?m2 was examined.
      
Soil mineral nitrogen was measured at the time of collection and after 20 days incubation in the laboratory or field.
      
An increasing difference between soil mineral nitrogen δ15N and foliar δ15N in later succession might therefore be a consequence of greater reliance on mycorrhizal symbionts for nitrogen supply under nitrogen-limited conditions.
      
Change in soil mineral nitrogen and respiration following tree harvesting from an agrisilvicultural system in Sweden
      
更多          


In the phytotrone a simulation of early spring cold weather was set up to study the ecological factors affecting the rotting of rice seedlings which were in the two to three leave stage.This experiment showed that low "Rapidly Available Nitrogen "( RAN ) in- soil was beneficial to the decrease of the rotting rate . Nitrate nitrogen in RAN helped to reduce rotting when RAN was within the range of 38 ppm to 168 ppm .The decrease of oxidattitti-reduction potential ( Eh ) of soil was very significantly correlated...

In the phytotrone a simulation of early spring cold weather was set up to study the ecological factors affecting the rotting of rice seedlings which were in the two to three leave stage.This experiment showed that low "Rapidly Available Nitrogen "( RAN ) in- soil was beneficial to the decrease of the rotting rate . Nitrate nitrogen in RAN helped to reduce rotting when RAN was within the range of 38 ppm to 168 ppm .The decrease of oxidattitti-reduction potential ( Eh ) of soil was very significantly correlated to the decreaseof rotting.Based on the different effects and correlations of the main ecological factors affecting rice seedling rotting , they were classified into five grades . The most important ecological factor causing rotting was due to the combined effect of low temperature and pathogens.

利用人工气候箱模拟早春育秧期出现的低温天气过程,分析了二叶至三叶期水稻烂秧的生态因子。试验表明,土壤速效氮浓度低有利于减少烂秧。土壤总氮量一定,土层加厚或土壤氮浓度一定,泥层减薄都有利于减少烂秧。土壤速效氮38至168ppm以内以硝态氮为主有利于减少烂秧,土壤速效氮达168ppm时以硝态氮为主由于生理碱性反而不利。土壤氧化还原电位(Eh)下降与烂秧减少相关显著。低温开始时土壤Eh200mv以下烂秧率接近零,但土壤Eh达100mv以下时,由于还原性毒质累积,对秧苗正常生长不利。通过对主要有关生态因子的作用特点和相互关系的分析表明,这些生态因子可分成重要性不同的五个等级。这种分类同时揭示了针对这些生态因子采取的防治措施可能最大效果及其年度间的稳定性。

The influences of different NH_4~+-N levels on the nitrogenase activity in rhizosphere of rice under the ecological condition of Hangzhou were observed. The results obtained are as follows: (1) NH_4~+-N significantly inhibites nitrogen-fixing activity in rhizosphere of rice within a certain time. There was a highly (or medium) negative correlation between the concentration of NH_4~+-N in soil and the nitrogen-fixing activity in rhizosphere of rice. During different growing stages, values of correlation coefficient...

The influences of different NH_4~+-N levels on the nitrogenase activity in rhizosphere of rice under the ecological condition of Hangzhou were observed. The results obtained are as follows: (1) NH_4~+-N significantly inhibites nitrogen-fixing activity in rhizosphere of rice within a certain time. There was a highly (or medium) negative correlation between the concentration of NH_4~+-N in soil and the nitrogen-fixing activity in rhizosphere of rice. During different growing stages, values of correlation coefficient ranged from —0.4428 to —0.9945. (2) The initial concentration of NH_4~+-N in soil which began to inhibite the nitrogen-fixing activity in cores of paddy soils was 20 ppm. (3) The time duration of the inhibiting effect of NH_4~+-N varied with the rate of NH_4~+-N applied. The inhibiting effect lasted about 20 days in low nitrogen plots, and about 25—30 days in medium and high nitrogen plots. Since then, the application of NH_4~+-N showed favorable effect on the nitrogen-fixing activity in rhizosphere of rice.

本试验观察了在杭州生态条件下土壤中不同NH_4~--N水平对水稻根际固氮活性的影响。试验的结果表明:1.NH_4~+-N肥在一定时间内对水稻根际固氮活性具有明显的抑制效应,施用量越大,其抑制作用越严重。土壤速效氮浓度与水稻根际固氮活性之间呈高度(或中度)负相关,不同生育期两者的相关系数r值在-0.4288—0.9945之间。2.土壤速效氮对水稻土柱固氮活性抑制的起始浓度为20ppm。3.NH_4~+-N对水稻根际固氮活性的抑制时间随施用量而不同,低氮区在20天左右,中氮区和高氮区在25—30天左右。此后施氮区对水稻根际固氮活性具有促进作用。

Niche theory and entropy change value were applied to analyse ecosystem components of citrus orchards. After introducing Ageratum conyzoides L. and some other green manure crops the community structures and interspecific relations greatly changed. Temperatures decreased by 0.4-0.7℃ in canopy and 0.3-0.5℃ on soil surface but relative humidity increased by 2%-4% and 2%-3% respectively; available N, P, K increased by 5.37%, 33.69% and 118.59%; mean parasitic percentage of A. aleyrodis on D. citri increased by 184.4%;...

Niche theory and entropy change value were applied to analyse ecosystem components of citrus orchards. After introducing Ageratum conyzoides L. and some other green manure crops the community structures and interspecific relations greatly changed. Temperatures decreased by 0.4-0.7℃ in canopy and 0.3-0.5℃ on soil surface but relative humidity increased by 2%-4% and 2%-3% respectively; available N, P, K increased by 5.37%, 33.69% and 118.59%; mean parasitic percentage of A. aleyrodis on D. citri increased by 184.4%; the entropy change value was -924.85×10~6cal/ kg. Systematic productivity of the orchards greatly increased and the pest was natually controlled.

应用生态位及熵变值分析了柑桔园系统内某些物种之间的关系.当果园引入霍香蓟等绿肥植物后,境内树冠和地表温度下降0.4—0.7℃和0.3—0.5℃,相对湿度则分别提高2%—4%和2%—3%;土壤速效氮、磷、钾提高5.37%,33.69%和118.59%;熵变值为-924.85×10~6cal/kg;粉虱座壳孢菌寄生率增加184.4%.果园系统生产力大为提高,害虫也得到了自然抑制.

 
<< 更多相关文摘    
图标索引 相关查询

 


 
CNKI小工具
在英文学术搜索中查有关土壤速效氮的内容
在知识搜索中查有关土壤速效氮的内容
在数字搜索中查有关土壤速效氮的内容
在概念知识元中查有关土壤速效氮的内容
在学术趋势中查有关土壤速效氮的内容
 
 

CNKI主页设CNKI翻译助手为主页 | 收藏CNKI翻译助手 | 广告服务 | 英文学术搜索
版权图标  2008 CNKI-中国知网
京ICP证040431号 互联网出版许可证 新出网证(京)字008号
北京市公安局海淀分局 备案号:110 1081725
版权图标 2008中国知网(cnki) 中国学术期刊(光盘版)电子杂志社