查询词典 nutrient ratio

The proportion of organic fertilizer in total nutrient inputs had being decreased with time, 2 the recycling ratio of nutrient of organic fertilizer was low, the regional application of organic fertilizer was imbalanced, and 3 over-application of organic fertilizer lead to nitrate pollution of groundwater and heavy metal accumulation in soil.

我国有机肥料利用中存在的主要问题是：①有机肥施用面积逐年减少，肥料结构中有机肥的比重逐年降低，但近年来趋于平稳；②有机肥养分再循环率不高，区域利用状况不平衡；③有机肥过量施用带来的一些环境问题如地下水资源污染、土壤重金属累积等。

Based on the facts of low soil fertility and unbalanced nutrient ratio in Ankou valley ,one soil sample was collected per 2 to 3 hm 2 according to the land use pattern and the relief determinant .

针对安口流域内土壤肥力水平低且养分比例失调的实际状况，按土地利用方式及地形部位每 2～ 3hm2 面积采集一个土壤样品，用常规分析方法测定了土壤有机质、有效氮、有效磷、有效钾、有效铜、有效锌等养分指标，编制了土壤养分丰缺对照表，对各测定项目进行了系统评价，并作了相应的推荐施肥建

The dormant buds got the nutrient'ratio that roots of main crop and new roots of epigynous bud absorbed and the photosynthate the leaves made during main crop maturing were different, therefore, the spikelet number of panicle came from different nodetbud were different.

生育期上位芽穗较下位芽穗短，头季稻根系和低位芽发生的新根吸收的养份，以及头季稻后期功能叶制造的光合产物分配到不同节位芽比例不同，因而不同节位芽成穗的大小不同。

Nutrient ratio is comprehensive and reasonable.

营养配比是否全面合理。

Furthermore, as predicted, we observed a decline in seston C : P as the light : nutrient ratio declined, but seston C : N simultaneously increased.

此外，正如预测，我们观察到一个降低在颗粒 C ： P 作为光线与营养比率下降，但是颗粒 C ： N 同步地增长。

This counterintuitive 'more organic carbon gives less organic carbon' effect was particularly pronounced in diatom-dominated systems where the carbon/mineral nutrient ratio in phytoplankton production was high.

这一结果凸现了这样一个关系，即对海洋碳循环当前和未来状态的描述，怎样依赖于对海洋食物链内的碳与限制生长的矿物营养之间的化学计量耦合的认识。

Within a short time span of just over 40 years China has developed from an insignificant to the world's largest and still fastest growing producer and user of chemical nitrogen fertilizer. Unfortunately China is now also the country with the most unbalanced nutrient ratio. If continued into the future, the grave nutrient imbalance that prevails at present threatens the fertility of China's soils that has been maintained so well over the centuries, thereby also threatening, sustainable agriculture.

仅40多年时间里中国就从世界上微不足道的氮肥使用国发展成为最大的、而且增长速度最快的氮肥生产和使用国，令人遗憾的是中国是世界氮、磷、钾使用最不平衡的国家，如果任凭这种趋势继续下去，将势必对数千年来我们祖先一直维持良好的地力造成威胁，由此也对农业持续发展带来威胁。

Granule organic compound fertilizer had the advantages of nutrient equilibrium, conjunction of organic and inorganic nutrient and high nutrient utilization ratio, which made its application increase sharply in recent years.

颗粒化有机复混肥具有养分均衡、有机无机配合、使用方便、养分利用效率较高等优点，近年来发展迅速。

The changes of nutrient in sweet pepper leaf at bud and at full fruit stage were different and the change of nutrient ratio (N/P, N/K, K/P) was smaller at bud stage than at full fruit stage, which was better stage for nutrition diagnosis.

甜椒花蕾期和盛果期叶片养分变化规律不尽相同，叶片养分比例N/P、N/K、K/P以花蕾期变化小于盛果期，为甜椒适宜营养诊断期。

The results showed that 1518kg farmyard manure and 59.9kg chemical fertilizer, equal to 38kg N, P and K pure nutrient, were applied per unit area (667m2) of arable land,and that the nutrient ratio of farmyard manure and chemical fertilizer was 4.9∶5.1 (N∶P2O5∶K2O=1∶0.4∶0.62), and that the total complex grain output per year and the complex output value were 479.6kg and 804.47yuan per 667m2 respectively, and that the manure cost and the pure income from manuring were 148.25 yuan and 716.22 yuan per 667m2 respsctively, and that 12.6kg grain output could be gotten averagely from 1kg nutrient input The main factors affected the manuring effect were topography, cropping systems and crops kinds and manuring quantity from a peasant household as well effected the soil fertility significantly.

结果：平均每667m2耕地投入农家肥1 518 kg，化肥59.9 kg，折氮磷钾纯养分38 kg，农家肥与化肥养分比为4.9∶5.1，N∶P2O5∶K2O=1∶0.4∶0.62，全年粮食复合单产479.6 kg/667m2，复合产值864.47元，肥料成本148.25元/667m2，肥料纯收入716.22元，肥料产投比值5.9，投入1 kg养分产粮12.6 kg。影响投肥效应的主要因素为地势、耕制和作物。农户投肥数量对土壤肥力影响较大。

This one mode pays close attention to network credence foundation of the businessman very much.

这一模式非常关注商人的网络信用基础。

Cell morphology of bacterial ghost of Pasteurella multocida was observed by scanning electron microscopy and inactivation ratio was estimated by CFU analysi.

扫描电镜观察多杀性巴氏杆菌细菌幽灵和菌落形成单位评价遗传灭活率。