Education

Nitrogen in Soils

The nitrogen content of soils ranges from 0.02% in natural soils to 0.15% in cultivated soils. Additonally, precipitation of ammonia gas and nitrates in rainwater, dust, and snow can add nitrogen to the soil. The nitrates in the atmosphere are the result of lightning and exhaust from automobiles, trucks, and buses. The largest additions are […]

Home & Garden

Architectual Plants

Most planting schemes whether they are large or small benefit from plants that provide structure. This maybe in the form of height, unusual foliage, flowers or seed heads in autumn and winter. There are many different styles of design and choosing which plants work best within each genre can be tricky. Classic styles can use […]