This aims to boost the fertility of soil and keep it moist through established practices.

这种方法目的在于通过既有的惯常做法，增加土的肥力，持土湿。

They focus on keeping their soil rich and free of disease.

农民关心的是持土肥沃并且免受病害。

It keeps soil wet, limits the growth of weeds, and helps keep soil temperatures even.

它持土湿润，限制杂草的生长，并有助于持土均匀。

So that scientists can help millipedes keep the soil healthful, for them and for us.

这样科学家就能帮助马陆持土健康，这对它们和我们都有益。

This ensures that the soil below stays warm enough for the microbes to remain active.

这确面的土持足够的暖让微生物持活跃。

Keep the soil wet but be careful to avoid washing away seeds.

持土湿润，但要小心避免把种子冲走。

They help keep water in the soil and feed microorganisms that help plants.

它们有助于持土中的水分，并滋养有助于植物生长的微生物。

He thought some kind of cover would keep rain away and the soil warm.

他想到某种遮盖物可以防水，并使土持暖。

Keep the soil wet, but not too wet, until the seeds begin to grow.

持土湿润，但不要太湿，直到种子开始生长。

This layer will help keep the soil cool and moist.

这一层覆盖物有助于持土凉爽和湿润。

Collingsworth says their soil should be kept slightly wet but not too wet.

科林斯沃斯说，这些植物所需的土应该持稍微潮湿，但不能太湿。

This can help keep plant roots cool and will preserve water, or moisture, in the soil.

这有助于持植物根部凉爽，并能持土中的水分或湿气。

The soil should be kept moist but well drained so it does not get too wet.

土应持湿润，但要容易排水，这样就不至于水分过多。

After the seeds develop, apply mulch to retain water in the soil to keep the temperature even.

种子发育后，用地膜持土中的水分，以持均匀。

A five-centimeter layer of mulch will help the soil hold water and reduce competition from unwanted plants.

一层五厘米厚的覆盖物将会帮助土持水分，并减少多余植物的竞争。

The webs of their roots protect against mudslides while allowing soil to retain water and filter out toxins.

其根部的网状结构可防止泥石流，同时使土持水分并滤出毒素。

The soil for chrysanthemums should be kept moist but well drained so it does not get too wet.

栽培菊花的土应持湿润，但要排水方便，这样就不会太湿。

Mulch not only keeps things looking clean, but it also helps to keep soil moisture and soil temperatures even.

护根物不仅让植物看起来干净，而且还有助于持土水分和土均匀。

I had tilled the plot again, mixing in some nice manure and keeping it watered to get the worms excited.

我又把地耕一遍，并在地里施一些好肥料，持土水分充足，好让蠕虫活跃起来。

This keeps the soil wet longer and can help protect the water cycle when things get really dry during a drought.

这样可以让土持更长时间的湿润，并在干旱时期气候非常干燥时帮助护水循环。