It might be hard to believe, but you may never have seen the most abundant animal on Earth: soil nematodes! They represent eighty percent of animal life by number and live in nearly every habitat. They are hard-working and important organisms. Soil-dwelling nematodes, which I research, are tiny – usually between 1/500th to 1/20th of … Continue reading How do nematodes help plants and soils?
Have you ever matched a paint sample to an older color? Paint stores keep quite a variety of color samples. Crop scientists keep seeds in seed banks for comparison and research. Soil scientists do the same with soil samples, stored in archives. Soil changes with time. In fact, soil is a dynamic source of nutrients, … Continue reading What can we learn about agricultural practices from soil archives?
If you’ve been gardening without gloves lately, then the answer is probably “yes.” But that is, for the most part, a good thing – besides having to clean your hands! In garden soil there are millions to billions of microorganisms, or microbes. They could be bacteria, fungi, viruses, and archaea. Baseline estimates suggest that there … Continue reading Are there soil microbes under my fingernails?
Land covers about 29% of the Earth’s surface and is an essential natural resource for the survivability and prosperity of humanity. As the human population continues to expand, land and other natural resources will begin to experience depletion. I currently work with industrial hemp, and its recent legalization opened opportunities for hemp-based research. Knowing how … Continue reading Can industrial hemp be intercropped in pine plantations?
On March 11, 2011, Japan experienced the unprecedented Tohoku earthquake. It was the largest in Japan’s history, and created a massive tsunami that impacted Japan’s northeastern coast. A result of the earthquake and tsunami was the meltdown of the Fukushima Daiichi Nuclear Power Plant. This meltdown had immediate and long-term impacts on the area. On … Continue reading How is erosion affecting the recovery of the Fukushima area?
Plant roots modify soil in different ways – depending on the root’s architecture. Most of us think of the soil as the natural habitat for plants, and therefore soils must provide a nurturing and supportive environment for them, right? Well…most of us could not be more wrong about that. The soil is not a very … Continue reading How do different root structures affect soil?
Driving through west Texas, you would think that the windmills are all there is to see. Flat, desert-like landscape is not what you expect the highest producing region of beef cattle and cotton in the United States to look like. Through the years, producers in this region have found a way to create life despite … Continue reading Are the west Texas rangelands barren?
Celebrating the 350th Anniversary of Phosphorus’ Discovery! Did you ever wonder why your home and garden fertilizer has specific ratios of nutrients? Well, the story goes back even further – to the discovery of those elements! Phosphorus is one of the main “ingredients” for healthy plant growth. This year, 2019, is the 350th anniversary of … Continue reading The discovery and general uses of phosphorus
Roots are not passive actors in the exchange of nutrients with soil. Their growth helps the plant, and the environment!
Forest soils are an important natural resource in the United States. Almost one-third of U.S. soil is in forests. These include highly managed forest plantations, farm woodlots, national forests and parks, urban forests, and vast wilderness areas. All these different types of forests require healthy soils to thrive and to provide goods, like timber, and … Continue reading Why do forest soils need to be managed?