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by culi
1587 days ago
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On the other end of the spectrum there are many seeds with quick germination time but extremely long dormancy periods. Some of the biggest weeds in agriculture are plants whose seeds could last multiple decades in the soil until the right conditions show up These plants usually evolve to serve a particular ecological niche. It's kinda like the soil's immune system. Exposing bare soil to direct sunlight is one of the most harmful things you can do to a soil ecosystem. So many plants evolved seeds that lay dormant until they're needed to come and protect the soil Plants like dandelions are known as major weeds, but they only germinate in soils that are too compacted (e.g. a farmland with a history of plowing). These dandelions take over, decompact the soil, and then get "outcompeted" by other plants (usually perennials with longer lifespans). I use scarequotes for competition because it's a good example of a natural system where "competition" is a lens of analyzing nature that could cause you to miss the bigger picture |
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