Humus-rich soil retains moisture readily and also retains nutrients well.

There is concern that although salad vegetables retain their appearance and texture in such conditions, this method of preservation may not retain nutrients, especially vitamins.

This will greatly increase the chances of establishing a healthy stand of turfgrass because the soil will be able to retain both nutrients and water.

In a tropical forest, trees and parasites like Spanish moss collectively retain nutrients in a way that neither the tree nor the parasite could do alone.

One of the symptoms of the disease is that you can't retain nutrients or calories.

The other benefit that these three crops have is that planting them together helps to retain nutrients in the soil.

Both can persist in soil for a long time, increase the soil's ability to retain water and nutrients, and support colonies of beneficial soil microbes.

That way they are properly cooked, not underdone to the point of unsavory rawness, and they retain their color, flavor and nutrients.

During this time it alters its gills so that it can retain water and nutrients, while nitrogen waste is excreted through the skin.

First, the effluent from the city's sewage is treated, but it retains enough nutrients to enhance the ecosystem of the river.