Just wanted to mention that some weeds are non-native and invasive. If left to germinate in your lawn they may seed and spread elsewhere. Some invasives to watch out for are canada thistle, chinese silver grass, [glow=red,2,300]crownvetch[/glow], garlic mustard, hairy jointgrass, japanese stilt grass, lesser celandine, mile-a-minute vine. Because invasives take over the same habitats as our native species, it is often not a great idea to "go natural" with the lawn by letting weeds take over. Consider building a meadow instead of a weed field. Meadows only need to be mowed once or twice a year, create habitats for butterflies and other critters, and look pretty. Just make sure to plant native species and keep your eyes out for the invasives. Good luck.
Some invasives to watch out for are canada thistle, chinese silver grass, crownvetch, garlic mustard, hairy jointgrass, japanese stilt grass, lesser celandine, mile-a-minute vine.
I don't think that parts of the organic material get gasified when the land is ploughed, rather that there is a continuous release of gasses in the decomposition of organic matte
I don’t disapprove of ploughing, just of leaving the land fallow with no plants on it
For instance a documentary said that if organic matter rots slowly as it does in swamps, then less carbon gets returned to the atmosphere, though I wonder if maybe more methane, another more powerful greenhouse gas, does not get released from stuff rotting in a swamp.
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