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Saturday, 12 December 2015
Newly settled beds of asparagus which were planted out in the winter of 2015 should not have had their spears harvested – if at all – for more than 6 to 8 weeks, between October and November.
If you have been cutting the spears from a first season crop, cease immediately, before the still developing crowns become exhausted, completely.
Between November and March, each summer, make good the nutrients lost to a first or second year crop which has been harvested, by:
*Mulching the bed to a depth of 25 mm, once each month, with a fresh layer of chopped or pulverized bull kelp seaweed, or by using 100 grams of dried bull kelp seaweed meal for each square meter of bed.
*Adding 25 mm of aged, friable, well matured compost, then on top of that 25 mm of triple washed potting sand, to the bed, as soon as your latest seaweed mulch has been applied.
*Keeping the bed just slightly damp - but not sodden - all summer, right down to depth of 500 mm, to encourage the roots to run deep into the moist, cooler sub soil.
*Keeping the upper bed soil profile well mulched and just slightly damp as well, right up to the surface, and by adding compost worms, to aid aeration and water percolation all out to to a width of 600 mm diameter around each crown – again to promote a fuller spread of a well developed and distributed arc of roots.