Fertilizing the ocean with iron could help reduce atmospheric carbon dioxide levels , according to newly released findings of a research cruise .

一个漫长研究的最新发现表明，用铁给海洋“施肥”可以帮助降低大气中二氧化碳的含量。

And that 's why some scientists think that artificially fertilizing such waters with the metal could promote blooms that suck co2 out of the air .

这就是为什么一些科学家认为人工用含有金属元素的水施肥能促进硅藻生长并从空气中吸收二氧化碳。

The ivf procedure entails taking an egg from a woman and fertilizing it in the lab-dish with sperm donated from a man .

体外受精的程序需要从女性体内取出一个卵细胞，然后在实验室中与男性捐赠的精子完成受精。

Fertilizing should be withheld when a plant is in dormancy .

当植物处于休眠期时，应控制施肥。

Changing farming practices by adopting more water-conserving drip irrigation or planting crops amid fertilizing trees , as is now happening throughout africa , will also be key .

现在贯穿非洲的农场改变的实践活动中，关键是采用更加省水的滴流灌溉技术以及将农作物种植在施肥的树中的种植技术。