它们起到天然肥料的作用，帮助为未来作物的根系提供养分。
They serve as a natural fertilizer and help support the roots of future crops.
水在运输养分到全身发挥了关键作用。
Water plays a key role in the transportation of nutrients throughout the body.
通过细胞培养分离病毒。
鳞茎是植物的地下根茎，为幼芽提供养分。
Bulbs are underground plant stems. They provide food for a shoot.
其养分含量高，特别是钾尤为丰富。
对我们来说，水是最简单的养分。
植物生长量与养分释放量是正相关的关系。
最终，表层浮游植物耗尽了可获取的养分使其增长放缓。
Eventually, the surface phytoplankton exhaust the available nutrients and slow their growth.
大部分植物依赖其根所吸水分来获得养分。
Most plants are nourished by water drawn 4 up through their roots.
精米通常会补充其在加工过程中失去的养分。
White rice is often enriched to replace some nutrients lost during the refining process.
叶子用水来制造养分。
植物怎么吸取养分？
文化交际能力的培养分为跨越和超越两个层面。
It has two levels, the spanning level and the exceeding level.
这些树芽成长缓慢，由「母树」的根系提供养分。
These sprouts grow slowly, nourished by the root system of the "mother" tree.
然而，氮只是维系生命所必须的10种养分之一。
However nitrogen is only one of ten nutrients necessary to sustain life.
该方法可以快速判断出土壤锁水和吸收养分的能力。
The method can quickly judge the soil's ability to hold water and take-in nutrients.
池塘虽小，但能为许多水生植物和鱼类提供足够的养分。
The pond is quite small but can support many aquatic plants and fish.
请简要说明营养液栽培与土壤栽培在植物养分供应上的不同点。
Please show the brief differentia between hydroponics and soil culture.
枯枝落叶层的养分淋失量以全K最大，其次为有机质、全N、全P。
Thesequence of leaching loss from forest floor was K>organic C>total N>total P.
而那些刚生出的小树，因为没有足够的阳光和养分，生长得非常缓慢。
The young plants grew very slowly for lack of enough sunshine and nutrients.
而那些刚生出的小树，因为没有足够的阳光和养分，生长得非常缓慢。
The young plants grew very slowly for lack of enough sunshine and nutrients.
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