氮素营养

利用~（15）N研究人参氮素营养

Studies on nitrogen nutrition of Ginseng by using ~ ( 15 ) n

大气CO2与植物氮素营养的关系

The Relationship between Atmospheric CO2 and Plant Nitrogen Nutrition

大气CO2浓度与植物氮素营养之间存在着交互作用。

There are interactions between the atmospheric CO 2 and the nitrogen .

大气CO2浓度升高对植物氮素营养影响的结果与氮浓度、氮形态等因素有关。

The results are related with the concentration and the form of the nitrogen .

苹果氮素营养研究Ⅴ.不同形态~（15）N的吸收、运转特性

A study on the nitrogen nutrition of apple trees ⅴ . the characteristics of absorption and transportation for various of ~ ( 15 ) n fertilizers

应用同位素~（14）C和~（15）N研究再生稻光合产物分配和氮素营养吸收的生理效应

Studies on the distribution of photosynthetic products and the absorption of nitrogen nutrients in regenerative rice by using isotopes ~ ( 14 ) c and ~ ( 15 ) n

SPAD值在玉米氮素营养诊断及推荐施肥中的应用

Application of SPAD Value on N Nutritional Diagnosis and Fertilization Recommendation

马铃薯氮素营养状况的SPAD仪诊断炉况诊断系统在涟钢6高炉的运用

Diagnosis of Potato Nitrogen Nutrition Status by Use of Chlorophyll Meter SPAD-502

小麦叶片SPAD空间分布及其与氮素营养状况的关系

Spatial Distribution of Winter Wheat Leaf SPAD Value and its Relationship with Nitrogen Nutrition Status

对红皮云杉与白扦研究表明，在CO2浓度倍增条件下，氮素营养供应充足，其他条件不受到限制时，植物的根冠比不受到大气CO2浓度升高的影响。

The study showed that under the double CO2 concentration , sufficient nitrogen , and no other condition stress , the ratio between root and crown can not be affected by elevated CO2 concentration .

NR活力可作为棉花氮素营养诊断的生理指标。

It is suggested , therefore , that NR activity can be used as a physiological index for the diagnosis of nitrogen nutrition in cotton plant .

子粒产量除N1水平外，同一氮素营养水平条件下各处理产量均以D2处理最高。

In addition to N1 nitrogen level , D2 treatment attained the highest grain yield under the same level of nitrogen conditions . 4 .

以上结果表明，不同氮素营养对NR与GS活性和基因表达的影响很可能是导致番茄果实中氮素代谢差异的重要原因。

These results suggest that the impact of different N forms on NR and GS activity and expression might result great differently in N metabolism in tomato fruit . 3 .

不同季节测定了不同种源长白落叶松针叶中硝酸还原酶（NR）活力，氮素营养和氨基酸（AA）含量，分析了它们与生长的关系。

Nitrate reductase ( NR ) activity and the content of nitrogen nutrition and amino acid ( AA ) were measured in different season , and their relationship with growth was analyzed .

叶绿素计SPAD-502在水稻氮素营养诊断中的应用

Application of chlorophyll meter SPAD-502 in diagnosis of nitrogen status and nitrogenous fertilizer in rice

利用叶绿素计（SPAD-502）诊断水稻氮素营养和推荐追肥的研究进展

Research progress on diagnosis of nitrogen nutrition and fertilization recommendation for rice by use chlorophyll meter

氮素营养对金龟子有效的苏云金杆菌HBF-1芽孢萌发的影响

Effect of nitrogen nutrition on the spore germination of Bt HBF-1 strain effective to Scarabaeoid beetles

此外，氮素营养使旗叶老化过程中超氧阴离子（O-2）的产生速率降低，H2O2的累积量减少，并提高细胞中活性氧清除酶SOD和CAT的活性。

Otherwise , compared with CK , nitrogen nutrition decreased the O2 Producing rate and the accumulation amount of H2O2 in leaf , and increased the enzymatic activity of active scavenging enzyme SOD and CAT during leaf aging process .

红光标准化值与叶绿素仪SPAD读数相比能更好地表征水稻幼穗期的氮素营养状况，与常规测试指标的相关系数介于0.541～0.780之间。

Compared with SPAD readings , the normalized redness intensity ( NRI ), with a high rvalue of0.541-0.780 with conventional N parameters , could better express the N status of rice .

结果表明，刺梨的花芽分化期需要有高水平的ZRs、碳水化合物及低水平的GA1+3、IAA、ABA和较低水平的氮素营养。

The results showed that at the flower bud differentiation stage needed high level of ZRs , carbohydrate centents and low level of GA 1 + 3 , IAA , ABA , and total nitrogen contents .

Rhodopseudomonascapsulata固氮酶活性对氨的敏感性及谷氨酰胺合成酶（GS）活性的变化在很大程度上受菌龄和氮素营养的影响。

Both sensitivity of nitrogenase in response to NH_4 ~ + and the level of glutamine synthetase ( GS ) activity depend upon either the culture age or the N-nutrient states of Rhodopseudomonas capsulata .

提出进一步提高利用SPAD-502叶绿素计诊断水稻氮素营养状况与推荐追肥精度尚需解决的几个问题。

For a purpose of further improving the precision of nitrogen status diagnosed by SPAD-502 meter and fertilizer recommendation , few questions need to be settled was put forward .

RVI与茎基部硝酸盐含量和叶绿素测定值等常规诊断指标均呈线性正相关关系，适宜作为氮素营养诊断指标。

Ratio vegetation index ( RVI ) had a remarkable linear correlation with SPAD value and plant tissue nitrate concentration , which implies that RVI is a good indicator of plant N nutrition .

较高浓度氮素营养的小麦叶片中叶绿素及可溶性蛋白含量、表观量子效率及光饱和速率明显增加，NPQ降低，Fv/Fm及ФPSⅡ有升高的趋势。

However , the contents of chlorophyll and soluble protein , apparent quantum yields , photosynthetic rate of light-saturation , F_v / F_m and Ф _ ( PS ⅱ) were enhanced , and NPQ was reduced when the plants were treated by high-concentration nitrogen .

叶绿素计（SPAD-502）在监测水稻氮素营养水平和及时提供追肥所需的信息方面有快速、简便、无损的特点，但其精度常受多种因素的影响。

SPAD-502 meter provides a simple , fast and nondestructive method to monitor rice nitrogen status and predict the need for fertilizer-N topdressing on time , but the precision was influenced by many factors .

并综述了通过量化SPAD读数与氮的关系，提高诊断水稻氮素营养精度；通过量化SPAD读数与追肥关系，提高SPAD-502叶绿素计诊断法推荐施肥精度的研究现状；

The research progress on improving the precision of rice nitrogen diagnosis by quantifying the relationship of SPAD reading to nitrogen content , as well as nitrogen recommendation by quantifying the relationship of SPAD reading to topdressing were also reviewed .

经过15N同位素稀释法盆栽植物试验，与对照相比，该突变株由于存在其他缺陷，不能给植物提供更多的氮素营养。

Potted crops were measured by the method of ~ ( 15 ) N isotope dilution techniques . Compared to the control , the mutant of Ac-92 could not supply more nitrogen nutrition to the potted plants due to some deficient property .

两个品种单株叶面积变化趋势基本一致，在同一氮素营养条件下，除N1表现出D2D1D3D4，其余两个氮素营养条件下均表现出D3D2D1D4。

Leaf area of single plant of the two varieties has the same trend basically , in the same nitrogen nutrition condition , with the exception of N1 showed D2 D1 D3 D4 , and the remaining two nitrogen nutrition conditions showed D3 D2 D1 D4 .

在高和低浓度氮素营养液中研究了铝对两个玉米品种生长发育的影响，营养液的铝浓度为100μMAl2（SO4）3。

Effects of Al on the growth and development of two genotypes ( SC704 and VA35 ) of maize were examined in the presence of 100 μ M Al 2 ( SO 4 ) 3 in high and low concentration nitrogen nutrient solutions .

通过水培试验研究了不同铵硝比的氮素营养和磷素营养对菠菜生长、氮素吸收及硝酸还原酶活性（NRA）和谷氨酰胺合成酶活性（GSA）的影响。

A solution culture experiment was conducted to study effects of NH ~ + _4-N / NO ~ - _3-N ratio and phosphorus level on growth , and nitrogen uptake of spinach and activities of nitrate reductase ( NRA ), glutamine synthetase ( GSA ) therein .