In order to study the relationship between yield, maize ear treats and organ matter, N-OH, available P and K, we selected field block with different soil nutrition in Mei county, Shaanxi province.
在陕西眉县选择农田土壤养分含量不同的地块，研究不同含量的有机质，碱解氮、速效磷、速效钾与玉米果穗穗部性状及产量的关系。
Method:at the same condition, we use different N to be replacement of maize plasm and change the matching to find the best project.
方法：在相同的工艺条件下，用不同的氮素代替玉米浆，改变配比寻找最佳方案。
The research was engaged in the effect of HMC toxin on microfilaments of N and C cytoplasmic male-sterile maize by fluorescence technique and confocal scanning microscopy.
本研究还利用荧光标记和激光共聚焦显微镜相结合的方法，研究了HMC毒素对同核异质体玉米根冠细胞微丝骨架分布的影响。
The results indicated that N deficiency decreased root radial and axial hydraulic conductivity of maize.
用蒸腾计法和解剖学方法分别研究了氮亏缺对玉米单根径、轴向导度的影响。
A field experiment was conducted to analyse the dynamics of biomass yield and n, p, K absorption by maize under different planting systems.
采用田间小区试验方法研究了不同种植方式下玉米产量，干物质积累动态和养分吸收动态变化特点。
The influence of root growing space of maize upon root physiological characteristics, nutrient uptake and crop yields were studied under conditions with and without supply of water and n.
在不供应和补充供应水、氮条件下，研究了限制根系生长空间对玉米根系生理特性、植株养分吸收及产量的影响。
The"311-A"regression design was adopted to study the optimum ratio of N, P and K fertilizers on maize field of Yellow River Pumping Irrigation District in Cheng Xitan, Yanchi Ningxia.
运用“311-A”试验设计，探讨宁夏盐池县城西滩扬黄灌区玉米氮、磷、钾肥料的最佳配比。
Therefore, the objective of theis study was to evaluate these three different chlorophyll meter-based approaches for diagnosing N status of summer maize.
因而，这次研讨的主要目的就是，经过三种不同的办法运用叶绿素丈量仪就夏天玉米的含氮量停止研讨。
Result showed that HPE maize performed a higher N and K absorption efficiency in low P regiment, its N, K absorption and dry matter accumulation were less affected by low P supply.
结果表明，磷高效利用型玉米氮钾素吸收和干物质积累受低磷处理的影响较 小，表现出对 氮、钾的高效吸收。
The results showed that maize straw returning field combined low amount N did not promote the accumulation of organic carbon significantly, as compared with NPK treatment.
结果表明：与NPK处理比较，玉米秸秆还田配施低量N肥没有显著促进黑土有机碳的积累。
A field experiment was conducted to study the effects of 4 compound nitrogen fertilizer synergists on the growth and yield of maize and urea-N utilization by it.
在大田小区试验条件下，研究了复合氮肥增效剂对玉米生长、产量和尿素氮利用的影响。
Without N fertilizer for years, it will strain synthesis of chlorophyll in maize leaf, and it will go against the synthesise of organic matter. N fertilizer is in favor of the widening o…
长期不施用氮肥会使玉米叶片内叶绿素的形成受到限制，不利于有机物质的合成；
The N absorption proportion after silking stage was 40.30%-47.78% of the total, so it was important to provide maize plants with sufficient N in later growth stage for realizing super-high-yield.
超高产夏玉米吐丝后氮素吸收积累量占总积累量的40.30%-47.78%，保证后期氮素养分充足供应对于夏玉米达到超高产水平至关重要；
The N absorption proportion after silking stage was 40.30%-47.78% of the total, so it was important to provide maize plants with sufficient N in later growth stage for realizing super-high-yield.
超高产夏玉米吐丝后氮素吸收积累量占总积累量的40.30%-47.78%，保证后期氮素养分充足供应对于夏玉米达到超高产水平至关重要；
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