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A little while ago, on a chilly Wednesday morning, we ventured down to the (not-so-)New Land to work on the polytunnel. Looking over the area, something seemed amiss. The beds looked in disarray. The boars had gatecrashed our gardens once again. That realisation makes for an awful feeling; your stomach drops in disbelief, anger and sadness. So many hours of hard work and care destroyed in a night of rampant worm-hunting by our furry neighbours. The amount of rooting and digging is impressive, they are uncontrollable rotovating machines. A second (and surprising) feeling hit me. That of relief. And I realised it was because we are not wholly dependent on our garden produce. As an educational project, we grow to teach as well as feeding the community. But not being totally self-sufficient, we supplement with local food. For our neighbour, Jackie, who has an organic farm nearby, the situation is different. It is her livelihood.  Her land was also heavily damaged recently and therefore her veg boxes were unusually sparse. I can only begin to imagine how horrific this must have felt. For now we are re-ordering and re-planting. Whilst we do have decent anti pig fences, there are additional areas which need to be patched. Boars seem to dislike chard and calendular so perhaps it would be safer to monocrop these instead! The boar wars continue…   Before: IMG_3057 After: DSC_0630 DSC_0633 DSC_0648 DSC_0627    
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Mychorrizas are a type of fungus which form a symbiotic relationship with many plants. The fungi partly live inside the plant’s roots and partly in the soil. The plant provides the fungus with sugars and other products of photosynthesis, and in return the fungus increases the efficiency of the roots by increasing their surface area, apparently up to 1000 times! You can take soil which contains mychorrizas from underneath a well established tree, but as we do not want to have to keep digging around trees we have made a space where we can breed our own mychorrizas. A technique of doing this is by using a ‘trap crop’. Step 1: Dig a pit in the ground (if you only want to produce a small amount you could just use a plant pot). 2014-01-22 10.32.51 Step 2: Line the pit with plastic to stop too many plant roots going into the surrounding soil. Make some drainage holes in the plastic. DSC_0097 Step 3: Dig up some soil from underneath an established tree or shrub (here we used a retama plant) which should contain mychorrizal fungi. Take it from a depth of around 20cm. DSC_0095 Step 4: Mix the soil from the tree with the soil you dug from the hole and also with some compost and return this mix to the pit. DSC_0119 Step 5: Sow seeds of plant from the legume family (peas, beans, clover, alfalfa etc) and the grass family (corn, millet, grazing rye etc). These two families make relationships with different kinds of mychorrizas. Water regularly. DSC_0126 Step 6: Let the plants grow for at least 10 weeks and then cut them down to ground level. Step 7: Wait for a week or so after cutting for the fungi has time to produce spores, then dig up the soil and chop the plant roots into small pieces (5mm should be fine). This mixture of soil and plant roots is your mychorrizal innoculum. Step 8: To use the innoculum, place some in the bottom of your planting hole when transplanting or place some at the bottom of a seed tray if you are sowing seeds.
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