N fertilizer是什么意思

The lignin content reduced gradually along with the increment of N fertilizer dosage, and was little influenced by K fertilizer dosage.

木质素含量随着N肥用量的增加逐渐降低，受K肥用量影响不大。

N fertilizer significantly increased ammonium N but decreased amino sugar N, whereas the increase in amino acid N and HUN was not obvious.

在酸解性氮中，氮肥显著提高了氨态氮的含量但降低了氨基糖氮的含量，氨基酸态氮和酸未知氮的含量增加不显著。

Application of N fertilizer significantly increased the amount of residual nitrate-N, and affected its distribution in the soil profile.

施用氮肥可明显增加土壤硝态氮残留数量，并影响其剖面分布；

Because accumulation of photosynthate decreased, the increase in the N fertilizer made soluble sugar content in flag leaves reduce.

由于光合产物积累减少，增施氮肥使旗叶可溶性糖含量降低。

No weighty effect to the soil only N fertilizer (urea) used, use P fertilizer shall increase the heavy-metal content of the soil.

单施N肥（尿素）对土壤重金属影响不大，施用P肥使土壤重金属含量增加。

in N. affinis increased along with the increment of Kfertilizer dosage , and was little influenced by N fertilizer dosage.

后慈竹的灰分含量随K肥用量的增加而上升，受N肥用量影响不大。

N fertilizer should apply as basal fertilizer, P and K fertilizer as topdressing, and trace fertilizer applied at middle stage.

果园施肥管理应氮肥基施为主，追施磷、钾肥，中期补充微肥。

However, increased application of N fertilizer produced non-significant increase over grain Fe and Zn contents in rice.

然而，增加氮肥施用对粮食铁和锌的含量在水稻生产的非显著增加。

The duality regress relations of ratio of length and diameter and fertilizer N, fertilizer K indicate significant.

叶纤维细胞的长宽比与不同的施N水平和施K水平之间存在极显著的二元线性回归关系。

The fruit numbers per unit area and leaf areas showed positive correlations with K and N fertilizer ratios, respectively.

随着钾肥的增加单位面积种瓜数量逐渐加大：相同磷钾肥处理叶面积与氮肥用量正相关；

Most of agricultural N-fertilizer comes into the environment by different ways, and pollutes the waters.

施入农田的大部分氮肥经各种途径损失于环境之中，对水环境造成了污染。

The grain numbers per ear were increased gradually with N fertilizer applied, reaching its peak, and then reduced.

成穗数随施氮量的增加而极显著地提高，千粒重则随其显著地下降；

The grain yield, grain number per spike and 1000-grain weight increased when water and N fertilizer were applied at this stage.

拔节期供水供肥可以显著地提高产量，同时增加穗粒数和千粒重。

The results showed that with the raise of N fertilizer rate, the concentration of P and K was decreasing.

结果表明，玉米籽粒和秸秆中P、K浓度随氮肥用量的增加有逐渐降低的趋势。

And P, K fertilizer and N fertilizer joint action to promote new shoots grow effect more apparent.

而P、K肥与N肥的共同作用对促进新梢生长效果更加明显。

Applying N fertilizer during the R4 and R5 periods could increase the crop N-accumulation and yield significantly.

在R4和R5期补充氮肥的供给明显增加植株对氮的积累，并能显著提高大豆产量。

Ammonia volatilization was estimated in the field from perennial ryegrass turf after application of five kinds of N-fertilizer.

在多年生黑麦草草坪施用速效与缓效氮肥后，对氨的挥发损失进行田间定位测定。

Effects of crop residues incorporation and N-fertilizer utilization on the matter production of summer maize

秸秆还田与氮肥施用对夏玉米物质生产的影响研究

Effect of Different Types of N-fertilizer on the Accumulation of Grain Starch and Its Components in Different Spring Wheat Cultivars

不同形态氮肥对春小麦品种籽粒淀粉及其组分的调节效应

Effect of the Different Times and Amounts of N-fertilizer Application on the Seed Production of Hybrid Rice

不同施氮时期及施氮量对杂交水稻制种产量的影响研究

Effects of Amount of N-fertilizer on Yield Constitution and Dry Matter Accumulation of Hybrid Rice

施氮量对杂交水稻产量构成因素和干物质积累的影响

Responsible Sensitivity of Nitrate Reductase Activity of Winter Wheat to N-fertilizer

冬小麦叶片硝酸还原酶活性对氮反应的敏感性研究

Experiment in the Application of N-fertilizer for Super-high Yielding Winter Wheat in Huanghai Region

黄淮麦区不同类型品种冬小麦超高产氮肥施用技术研究

Effect of N-fertilizer Management on Yield Formation in Rice under Dry Cultivation and Different Cover

氮肥运筹对不同覆盖物水稻旱管栽培产量形成的影响

Effect of the Application Measure of N-fertilizer on Early-season Rice Growth and Yield

氮肥运筹方式对早稻生长和产量的影响

Effect of the Adjustment of N-fertilizer on Wheat Growth, Development and Yield

精播条件下氮肥调节对小麦生长发育及产量的影响

Effect of N-fertilizer on Wheat Yield and Quality and its Efficiency

氮肥对小麦产量和品质的影响及其肥效研究

Effect of Plant Density and N-fertilizer Application on Maize Yield in Medium and Low Productive Soil

种植密度与氮肥施用对中低产田玉米产量的影响

The Effects of N-fertilizer Level and Breeding Time on Economic Characters of Malt Barley

施氮量和播种期对优质啤酒大麦经济性状的影响

Effect of N-fertilizer Application Patterns on Yield and N-fertilizer Efficiency of Corn

氮肥施用方式对玉米产量和肥效的影响

N fertilizer

扩展信息

例句