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In order to study the effects of different culture on growth and roots ' characteristics of Echinocactus Gruson , five nutrient solution formulae were used to grow Echinocactus Gruson together with a peat and sand mixed medium culture as control .

选用5种营养液配方栽培金琥仙人球，以泥炭/河沙混合基质栽培为对照，研究不同栽培方式对金琥生长及根系生物学特性的影响。

Build database of edaphic nutrient space, mutation of hand-in-hand travel space is analysed, already became the premise that advances essence of life to allow agriculture to carry out and basis.

概要： 建立土壤养分空间数据库，并进行空间变异分析，已成为推进精准农业实施的前提和基础。

Sea buckthorn belongs to a kind of shrub or small tree in elaeagnaceae,many nutrient substance and medical composition are barley contained in sea buckthorn fruit and leaves.

沙棘为胡颓子科酸刺属的落叶灌木或小乔木，沙棘果实和叶中富含多种药用成分和营养物质。

In order to understand the effect of the different nitrogen sources on Cu uptake, accumulation and growth of Elsholtzia splendens, nutrient solution culture experiment was conducted to compare two nitrogen sources NH4NO3 and (NH42SO4 on growth of E.splendens at three different Cu levels (Control, 50, and 200 uM).

采用营养液培养的方法研究两种氮源（NH4NO3与(NH4)2SO4）对海州香薷生长及体内铜吸收和积累的影响。

The variance analyses of nutrient elements from earthworm, enchytraeidae, centipede and other soil fauna showed that K, Ca, Mg and Fe had an influence on the growth of soil faunas.

蚯蚓、线蚓、蜈蚣和其它类群土壤动物体内营养元素的方差分析结果表明，K、Ca、Mg、Fe对土壤动物的生长发育影响较大。

Total percent of carbon, nitrogen and phosphorus in Engraulis japonicus varied from 46.3% to 60.5%. And carbon content of Engraulis Japonicus was increasing and phosphorus was decreasing when growing from larvae to adult. However, there was not significant difference to nitrogen in different stages. Differences of nutrient contents in different life stages may be caused by changes in allocation of materials for growth within the body.

结果表明，碳、氮和磷三种元素占到鳀鱼体重的46.3-60.5％，其中碳元素含量与体长成正相关，磷元素与体长成负相关，氮元素与体长之间的联系并不非常明显，不同阶段的鳀鱼在元素组成上的差异直接反映了各阶段其需要不同物质。

Enteromorpha Prolifera is a kind of wild green algae in China, with its rich resource and nutrient, food and medicinal value.

浒苔是我国资源丰富的野生绿藻，营养丰富，具有食用、药用价值。

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。

In Gabon , chimpanzees had a biscuit diet of constant nutrient composition except that the sodium content was changed episodically over 3 years from 75 to 35 to 120 mmol/d.

作者对来自加蓬的17只猩猩和美国德克萨斯州的110只猩猩进行钠盐摄入改变的观察试验。其中，加蓬的17只猩猩在3年的观察时间内分段式给予每天75，35，120mmol 的钠盐。

Overall. vegetation was unstable, floristic composition was dominated by adversity-resistant species, and annual species had a higher ratio in this region. The dominant soil particle was sand and soil water and other nutrient contents were low. The eco-environment was fragile and erodible.

总体上看，该地区植物群落多以耐瘠薄性强的植物组成，一年生植物比例较高，植被不稳定，土壤组成主要以砂粒为主，土壤含水量低，养分贫瘠，环境脆弱，易产生风蚀、沙化。

The split between the two groups can hardly be papered over.

这两个团体间的分歧难以掩饰。

This approach not only encourages a greater number of responses, but minimizes the likelihood of stale groupthink.

这种做法不仅鼓励了更多的反应，而且减少跟风的可能性。