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Ian Pearson
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Oca as a Late-Planted Crop… Seems to Work
Most growers start their oca tubers in pots indoors as early as possible, and move them outside to their final planting site as soon as the threat of frost has passed. This gives the longest available growing season, and hence more foliage with which to mak...

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Skirret—Growing, Selecting (and Eating)
I grew skirret from two sources last year; seed from a commercial supplier, and a few root-cuttings presumably from plants which had already received some selection. Seed-grown plants are highly variable, and give the chance to select for larger root produc...

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Extending the Oca Growing Season through Frost Protection
The death of foliage from frost signals the end of the oca season, but at this time of year when tuberisation is in full swing, any slight extension of the growing season will have the maximum effect on crop yield. I stress that again; even one extra week w...

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2013 Oca True Seedling Selection
It was later than I intended, but several weeks ago I checked  this year's seed-raised oca for early tuberisation. This is  the vital process of deselecting individuals which fail to meet the crucial criterium of earliness. It's tempting to wait and see the...

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Chipboard as Soil Improver. No... Seriously!
Chipboard and MDF, with their synthetic constituents and health concerns , would not immediately spring to mind as compost material. Surely not something the organic gardener would want coming in contact with their soil — that would be my automatic reaction...

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Oca/Corn/Huauzontle Polyculture — Still Seeking Resilient Low-work Growing Systems.
In 2010 I posted here  on interplanting Oca and sweetcorn. This year, I'm going a stage further by adding Huauzontle (or 'Aztec Broccoli') to that system. Huauzontle is a Chenopod crop producing greens and edible flower-shoots, historically an encouraged we...
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