Plough land, plant a crop, water, fertilize, harvest, and repeat each year.

犁地、种庄稼、浇水、施肥、收获。年而复始。

You can also fertilize orchids -- but not too much.

你也可以给兰花施肥--但不太多。

He says the ideal is 3 to 5 times annually.

他说理想的是每年施肥 3 到 5 次。

Then, the soil can be fertilized using recycled biological waste.

然后，可以使用回收的生物废物对土壤进行施肥。

And so where the soils are consequently far less frequently fertilized naturally.

因此，那里的土壤自然施肥的低得多。

They will fertilize the soil. The grass will begin to grow.

这会给土壤施肥。草会始生长。

Farmers usually take care of the last bit by fertilizing their fields.

农民一给田地施肥来提供养分。

Unfortunately, most plants when we apply the fertiliser, only take up about half of it.

不幸的是，当我们施肥时，大多数植物只占一半左右。

Also, hold off on fertilizer until the air clears and plants fully recover.

此外，在空气净化和植物完全恢复之前，不施肥。

" Houseplants should not be fertilized during winter when days are short, " Alfuth said.

" 冬季白天短，室内植物不应施肥。"

Where they, too, will essentially fertilise the mangrove.

在洞底，基本上它们就是在给红树林施肥。

They're also safer, requiring no human contact with fertilizers during application.

它们也更安全，施肥程中无需与化肥接触。

But these items decay naturally and could be used to fertilize soil rather than grow landfills.

但这些东西自然会腐烂，可以用来施肥，而不是送去垃圾填埋场。

The birds' waste then fertilizes fields.

然后，鸟类的排泄物可为田地施肥。

They're going to fertilize the soil.

他们会给土壤施肥。

We can start or continue composting.

我们可以在冬天始或者继续施肥。

So it's like an automatic fertilizer.

会自动施肥。

Yeah. Why do we add fertilizer?

好的。我们为什么施肥？

And the runoff fouled by copious quantities of pesticides needed to make the roses look perfect.

此外是被污染的径流，因为玫瑰还需大量的农药来施肥，这样才能看起来完美无瑕。

Fertilizing similarly nutrient poor waters might help reduce rising levels of carbon dioxide that are causing uncomfortable global warming.

类似的，施肥少的水域可能会有助于减少一直在不断上涨的二氧化碳浓度，而这种物质多会我们感觉不舒服，引发全球变暖。