When the soil is dry, more moisture is lost from the plant.
土壤干燥时，植物就会失去更多的水分。
The poor germination of your seed could be because the soil was too cold.
你的种子发芽不好，可能是因为土壤太冷。
这里的土壤很松。
The soil felt soft beneath our feet.
我们脚下的土踩上去很松软。
Those needles add a lot of acid to the soil.
这些松针给土壤增加了很多酸性。
首先把地耙平。
If the soil is allowed to dry out the tree could die.
如果让土壤干硬，树就会死掉。
Water the plant regularly, never letting the soil dry out.
经常给植物浇水，别让土壤干透了。
Nitrates are chemicals that occur naturally in water and the soil.
硝酸盐是水和土壤里天然存在的化学物质。
Others can spread into the soil.
其他的可以扩散到土壤中。
Much of the soil is usually still frozen during peak run-off.
大部分的土壤在径流高峰期仍然是冻结的。
Beds of this material, out of sight beneath the soil, are common.
由这些颗粒物质组成的地层很常见，通常位于土壤下方看不见的位置。
这能够使泥土更快变干。
Smell the soil as you plant seeds.
播种子时闻一闻泥土的气息。
你应该让土保持干燥。
The soil near the river is very fertile.
河边的土壤很肥沃。
But the worms are good for the soil.
但蠕虫对土壤是有利的。
The soil of the average iron content.
过山药的土壤的平均铁含量。
And they found that the soil outside.
同时他们还发现土壤外翻。
上面还有泥土。
一个乡下土孩子！
He add sand to the soil to make it more porous.
他往土里搀沙子以提高渗水性能。
Manure supplies what is deficient in the soil.
肥料供给土壤所缺乏的成分。
The soil is firming up now that the weather is drier.
现在天气干燥了，所以土地变得坚实起来。
Hundreds of them may fly out of a single nest in the soil.
上百个这样的蚁后有可能从土中的同一个蚁巢飞出。
If you till, wait until the soil is warm and dry enough.
耕作要等到土壤充分温暖干燥。
The soil of the Illinois prairies is fat, rich and thick.
伊利诺伊大草原上，土壤肥沃、丰产而深厚。
Never, from the soil of New England, had gone up such a shout!
在新英格兰的土壤中还从未进发出这样响彻云霄的欢呼！
When plants grow, what do they need to get from the soil?
当植物生长时，它们需要从土壤中获得什么？
When plants grow, what do they need to get from the soil?
当植物生长时，它们需要从土壤中获得什么？
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