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

In this lesson students conduct a soil analysis to understand soil types and explore the relationship between the garden and healthy, fertile soil. Soil is a natural resource that is crucial to life on Earth and when managed properly, it...

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.

Explains what soil fertility and soil biological fertility are. Then lists the ten key principles of soil biological fertility, and the land management guidelines for these principles.

Plants need nitrogen to build proteins and nucleic acids to grow healthy stems and leaves. Though the Earth's atmosphere is made up of 79% nitrogen, the form of nitrogen found in the atmosphere cannot be used by plants. In this...

Site gives a fairly high level breakdown of the general contents of a fertilizer (the Nitrogen, Phosphorus, Potassium, and Sulfur content) and what that does for soil.

How does soil in its native condition function? How do forests and native grasslands produce plants and animals in the complete absence of fertilizer and tillage? What are the principles by which these soils function? The answers to...

Humic acid is touted as an organic soil additive to improve plant growth by multiple means. Does it really work? Here's how you can find out.

A cross-curricular unit to explore how human health is impacted by pesticides and fertilizers. The lesson comes out of the Chicano movement which studies the health of migrant workers due to agricultural practices. The unit was developed...

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

A simple overview of the important roles microbes play in agriculture. You'll learn how some microbes can be hazardous to plants while others help fertilize and build soil, and kill insects.

Make your own fertile soil using kitchen scraps, manure, leaves, grass clippings, and other compostable materials. Which materials make the best compost?

Discusses what phosphates are, their role in the phosphorous cycle, where they occur in the natural world, their chemistry, and the impact of the use of phosphate fertilizers in agriculture.

Through videos, interactive activities, and readings, students explore the future of food production and sustainability of our current agricultural system.

Examines the topics of soil fertility, the first farmers, the fur trade, and pioneer farmers.

The Mossi are the most prominent ethnic group in the modern nation of Burkina Faso (formerly Upper Volta). They are also well known in the anthropological literature as a society with an especially high rate of labor migration to...

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...

Let's you know all about this cool weather crop. Soil Preparation, fertilizing, planting, varieties, insect concerns, harvesting and more. Requires Adobe Reader.

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, young scholars 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...

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...

Composting not only helps to get rid of food and lawn waste but also helps to fertilize our garden. Find out how to set up a compost box in this brief, informative article.