I have a flower bed which I plant annual flowers. I put mulch on the
flowers. Each fall when the flowers dies, I dig the flowers into the soil,
and then dig my leaves into the soil. Does this mean my soil getters better
each year since nothing leaves the bed in the sense that I recycle the dead
flowers. Or am I missing some? The flowers or plants give off oxygen so does
some chemical get lost in the process.
You are benefitting the soil by adding organic matter, yes. Better than
'mulch', which I take to mean shredded hardwood, is pure compost, or
shredded leaves, grass clipping, what have you from around your yard.
The other thing you can do is utilize a 'cover crop' in winter, such as wild
mustard, winter rye, clover, or other nitrogen-fixing plants that are tilled
under while still green in early spring.
For me, I will not dig it into the soil, instead I let it cover the
soil as mulch. This will reduce the soil lost by wind or water
The nutrient release by fast decomposition of till in organic matter,
will also lost due to no life form to take it up.
Latitude: 06.10N Longitude: 102.17E Altitude: 5m
It should improve. Additions of inorganic and especially organic
fertilizers will improve the soil. I add a couple heaping tablespoons
of composted cow manure to each transplant hole preparation and get
outstanding growth and color from my annuals. Turning the soil helps
too. Think about using a different annual in the same spot next year
(crop rotation), as not every plant uses the same minerals.
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