nitrogen rates的例句大全

The results showed that there were greater effects of nitrogen rates and density on plant height, stalk width and leaf size.

结果表明：不同的氮用量和密度对伊兹密尔的株高、茎围、节距和叶片大小影响较大。

compared with late-sowed rapeseed, advanced sowing date was conducive to rapeseed entering the next growth stage faster. the variation law of each growth period differed under different densities and nitrogen rates. 2.

与迟播油菜相比，播期提前有利于油菜更快的进入下一个生育期；各生育期长度在不同密度及施氮量间的变化规律不尽相同。

Influence of Nitrogen Rates, Soil Fertility and Harvest Time on Nitrate in Chinese Cabbage

氮肥、土壤肥力和采收期对小白菜体内硝酸盐含量的影响

Two methods, one for determing residual urea ( RU) and one for determing mineral nitrogen accumulation ( MNA) were used for measuring urea hydrolysis rates in soils, and a comparison of the results was made under aerobic and waterlogged incubation conditions.

分别用测定残留尿素（直接法）和矿质氮累积量（间接法）的方法，测定了土壤的尿素水解速率，并比较通气培养和淹水培养期间尿素水解的异同。

hydrophytes affected the removal of nh3, nox, total phosphorus and organic nitrogen through influencing rates of various mecha--nisms, especially nitrification-denitrification, chemical precipitation and metabolism of algae.

水生植物主要通过改变硝化/反硝化进程、自身代谢和化学沉降速率影响NH3、NOx、有机氮和总磷的去除。

After this forming, the average removal rates of COD, ammonia nitrogen, total nitrogen and total phosphorus of the reactor were 94.0%, 97.6%, 49.2% and 83.7% respectively.

动态膜形成后，反应器对COD、氨氮、总氮（TN）和总磷（TP）的平均去除率分别为94.0%、97.6%、49.2%和83.7%。

Gross nitrification rates were not related to the pH value, the organic matter, total nitrogen and C/ N.

总硝化作用速率与土壤pH值、土壤有机质、全氮及C/N相关不显著。

Influences of N Rates Applied to Summer Maize on Soil Inorganic Nitrogen Supply and Winter Wheat N Utilization During the Following Crop Season

夏玉米施氮量对后茬冬小麦土壤氮素供应与利用的影响

variations of water-soluble carbohydrate and nitrogen contents in leymus chinensis and phragmites communis under different stocking rates

不同放牧率下羊草和芦苇可溶性碳水化合物和氮素含量的变化

effects of nitrogen fertilizer rates on uptake and distribution of nitrogen in ratoon rice

不同氮肥施用量对再生稻氮素吸收和分配的影响

effects of nitrogen fertilizer rates on dry matter accumulation and transportation in ratoon rice

不同氮肥施用量对再生稻干物质积累运转的影响

effects of nitrogen fertilizer rates on some physiological characteristics of ratoon rice

不同氮肥施用量对再生稻若干生理特性的影响

nitrogen uptake and grain yield effects of double-cropping rice at different nitrogen application rates in the first crop of ratoon rice

再生稻头季不同施氮水平的双季氮素吸收及产量效应研究

the effects of nitrogen application time on seed rates and 1000-grain weight of two rice varieties were completely different.

施氮时期对两个品种水稻结实率、千粒重的影响完全不同。

the relative rates of absorbing nitrogen ( rra) in all treatments decreased with the development of rice during the whole lifetime, the greater the ratio of bt to total nitrogen applied, the faster their declining speed became.

结果表明：（1）各处理水稻相对吸氮速率随生育进程而降低，其降低速度随氮素基、蘖肥占总施氮量比重增大而加快。

the results showed that temperature and light intensity have a significant effect on uptake rates of different state compounds of nitrogen and phosphorus of the two species of gracilaria ( p 0.05).

研究结果表明，温度和光照强度对两种江蓠各化合态氮、磷吸收速率有显著影响（P0.05）。

coated urea s3 and s8 were applied in planting wheat. there were peaks of cumulative nitrogen release rates of s3 and s8 when the soil temperature was high.

包膜尿素S3、S8应用于田间冬小麦的种植，其氮素释放的高峰均出现在土壤温度较高的时期。

in the wintering period of wheat, the soil temperature was under 0 ℃ constantly and at this time the average nitrogen release rates of pcu s3 and scu s8 reached zero and the minimum value respectively.

在小麦进入越冬期后，地温持续在0℃以下，此期内树脂包膜尿素S3和硫包膜尿素S8分别达到氮素的零释放和平均释放速率的最低值。

Applying nitrogen fertilizer prolonged the duration of cotton bolling increase and delayed the increasing trend of shedding rates;

施用氮肥延长棉铃增长的时间，并相对滞后脱落率上升的趋势；

Photosynthetic rates of Brassica chinensis var. purpurea Hort. under different nitrogen levels and plant densities

不同氮素水平和密度条件下红菜薹的光合速率