Intentionally or unintentionally, many gardeners have left plants in their gardens over the winter. This is actually a good thing…and something everyone should consider on a yearly basis! Scientists – specifically agronomists and soil scientists – refer to the plant “litter” that remains after a harvest as “residue”. Leaving the residues in place over the … Continue reading What is the effect of leaving some of the vegetable crops up over the winter—how does that improve soil conditions?
The polar regions of the globe are often very cold for the most of the year. In the dead of winter, these environments can experience air temperatures well below -50° F! The coldest temperature on record (-128° F) was measured in Antarctica in 1983. Soil with a permafrost layer beginning at 60 cm near the … Continue reading I’ve heard that soil microbes are living in Antarctica. How can that be?