spongy material rich in nutrients like nitrogen, phosphorus, magnesium, and calcium, all essential for plant growth. Earthworms and rain further distribute humus through the top layers of soil ...

The late Sir Albert Howard and his followers have for many years advocated certain methods of soil management in which humus maintenance by means of composts plays the chief part, and chemical ...

Because of this, it only makes sense to provide your plants with the best soil if you want to grow a juicy tomato with a rich flavor! For a flavorful tomato, you will need loamy, humus-rich soil.

Soil organisms, like earthworms ... resulting in a layer of decaying leaves giving a rich humus. The deep roots of these trees reached down to the 'B' horizon, unlike with coniferous trees ...