This interactive website explores the various soil layers and introduces you to the lifeforms that live in those soil layers.

Everybody knows that worms are good for the soil, but not everybody knows why. Here's a project that investigates just one of the ways earthworms improve the earth.

The North Carolina Department of Agriculture explains soil testing, taking a soil sample, and analyzing the results.

Students explore how Earth processes shape the land, and how important managing the land can be in response to these natural activities.

A gardening resource which addresses basic gardening tips, and also contains information on composting, preparing soil, irrigating, and using pesticides and fertilizers.

Did you know that nature has its own clean-up crew and recycling staff? Yeah, there aremany plants and animals that help recycle natural materials in our environment. They take deadmaterials and turn them back into rich soil. Use this...

Plants need certain nutrients to grow well. Use this site to find out what plants need, how to care for them, how to read a fertilizer label, and do the fun activities, like a quiz, a puzzle and a coloring book.

In this inquiry based field investigation, students will be observing our school campus's topography, soil, and plants and comparing them with the Fertile sand dunes' topography, soil, and plants. They will make detailed observations and...

Everything you would need to know about container gardening is at this site. The benefits of container gardening, how to choose a container, how to select a soil mixture, how to select plants, planting, fertilizing, watering, and other...

" North China includes the densely populated and intensively cultivated North China Plain, the loess-covered uplands of Shansi, northern Shensi, and eastern Kansu, and the sparsely populated, semiarid steppes of Inner Mongolia....

Amid the barren deserts of Arabia, a few fertile spots of soil arise out of the sandy waste, like islands out of the wide ocean. One of these places, termed oases by the inhabitants of those countries, became the seat of a rich,...

A map of the United States showing the increase in population per state between the 1900 and 1910 census. The map is keyed to show State population increases ranging from under 2 per cent to 50 per cent and over. "This is a map...