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Why and how
you would grow plants from seed in modules?
Why -
seeds are in short supply
-There is problems with predation
- there are fertile soils with a large seed bank of grasses and weeds which
have been difficult to control by other means.
- if people would like to have a more hands on involvement with the process
How -
buy some modular trays/pots or even use card board tubes for a biodegradable
option.
- fill the containers with organic compost or make your own using the following
mix, - 3 buckets of cocopeat or coir 1 bucket of course lime free sand 1/2
a bucket of worm casts or soil from mole hills or other high quality weed
free soil and 80 grams of calcified sea weed or granulated dolomite lime.
Please note
the better the compost the better the plants.
- Sprinkle the seeds onto the surface of the containers and then cover with
the compost, water and put in sheltered frost free location a cold frame use
of horticultural fleece is good way of reducing the risk of frost damage.
- Keep moist but not wet and free from pest damage
- When the seedlings appear they can be thinned if they are too dense it is
better to wait until the seedlings are of sufficient size to be able to be
handled by the leaves thereby not risking damage to the stem.
- The seedlings that have been removed maybe able to grow if planted in the
other small containers.
- If the seedlings have grown very densely then all except the strongest can
be nipped out.
- If you have used very small modules to get the seed established then once
they have reached the point when the roots are showing through the compost
they should be transplanted into bigger pots or if the site where you want
to plant is cultivated and well protected and well prepared ground that is
free from weeds then the "plugs" (the modules) can be planted directly
into the ground.
- If you sow in autumn then germination will usually take place in spring
ready for potting on or planting out in early Summer - or if the seeding took
place in Spring then the seedlings should appear within 6-8 weeks and ready
for handling and planting on in a further 4-8 weeks.
- It is crucial that the young plants are planted out into well prepared ground
that is free draining and free from compaction and weeds.
How do we
collect seed?
The seed should be collected carefully from selected sites, according to protocol
recommended in the Landlife technical guidelines, with secured permission,
and avoiding trampling etc. of the existing
ground flora.
The best way
to collect seed is for each person to have a fairly wide brimmed bucket, the
ripe seed heads then gently bent into the bucket and bashed against the bucket
sides. The ripe seeds then fall into the bucket, and are fairly clean, there
will be not much chaff or leaf litter. The contents can then be periodically
transferred into a sack, to keep the collection safe from tipping out or being
dropped.
After collection the seed should be laid out as quickly as possible, on dry
sheets of paper, in a sunny or dry spot, perhaps by a radiator, and left for
several days, turning periodically to make sure the drying process is even
throughout the sample.
How do we
store the seed?
Once dried the seed should be stored in a cool dry spot. Ideal temperature
is 4C. Which is the cool compartment of a domestic fridge. Variation in temperature
i.e. on top of a window ledge or in an office will deteriorate the viability
of the seed over time.
Where is the
best place to plant seed and how?
The best locations are established woodland sites with some established canopy,
but which have suitable ground conditions to give the best chance of success.
What preparation
will the ground need prior to the seeds being sown?
The seeds will need to be sown in bare soil. So the location may need some
herbicide treatment, or the existing turf may be removed by mechanical means.
The seed then needs to be carefully sown and raked/rolled into the soil to
ensure this important resource is not wasted.
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