University of Maryland Extension

organic matter

Nutrient management

Urban Ag home | Table of contents Plants need nutrients, like nitrogen (N), phosphorus (P), and potassium (K), to build their bodies. Different soil amendments add different amounts and forms of nutrients to the soil. Soil fertility amendments could be fertilizers, composts, manures, or other...

Urban soils and growing media

Urban Ag home | Table of contents One of the common denominators I’ve observed among farmers who grow plants is that they will talk for hours about what they grow their plants in. Rural farmers? They complain about how many rocks they have in their soil and brag about their organic matter content...

Nematode Sampling

Timely Vititculture Pre-Harvest
Nematodes are worm-shaped animals found in many different environments and 10% of known nematode species are parasites of plants. Plant-parasitic nematodes are thread-like, virtually invisible to the naked eye when in the soil or within plant material, and range from 1/50 to 1/8 of an inch (0.2 to...

Soil Organic Matter is an Essential Component of Soils

Soil organic matter is an essential component of soils. It must be added and maintained, and the soil type as well as the organic material being added are very important. Fact Sheet 1045 examines how soil organic matter can be managed in agricultural production.
Articles on soil organic matter, dectes stem borer, ticks and lyme disease, and sulfur. Updates on weather research and statewide crop reports are also inside!More info

Soil Organic Matter

As part of soil testing, we have an option to choose to test soil level Organic Matter (OM). In general, folks know that higher OM levels are more desirable. However, in many cases, there is an extra charge. So why is it important to know the levels of organic matter in our soils? Organic Matter...
Now that the growing season is in full swing, you’re hopefully seeing some explosive plant growth. If your fields seem less than fertile, however, you might be wondering what’s holding your plants...
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