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=== Non Green (R)evolution === 

By Natalia Borissova

I've been contemplating and cultivating mushrooms as a source of ongoing surprise and unmatched nutritional supremacy for a year now, calling this passion "Non-Green Gardening" (NGG), simply because mushrooms don't produce chlorophyll that makes plants green. Sometimes during mycelium propagation mushrooms do go green, but that is related to green-spored molds which usually kill the mycelium by turning the NGG into a GG (Green Garden) in a bad way.

NGG is an ongoing series of living-lab experiments with mushrooms through theoretical and practical research, curiosity and magic. It aims to observe and learn from fungal behavior as a catalyst for continuous exploration. NGG sees mushrooms as an inspiration for recycling and adaptation to changing environmental conditions – seeking inventive pathways that cannot be found or fit in existing conceptual frameworks.

Most of edible mushrooms I've grown so far have lived on dead organic matter or wood and acted as decomposers (Lentinus edodes, Pholiota nameko, Hypsizygus ulmarius, Stropharia rugosoannulata and five different types of Pleurotus species). I first went for the P. species (the Oyster mushrooms), as they promised to be low maintenance, experiment-friendly, almost impossible to go wrong with, fast-fruiting, delicious, and colorful (gray, blue, yellow, pink, and white). Within a few months I managed to produce and observe the whole fungal life cycle as it unfolded before me, as well as to extend it by non-sterile DIY propagating methods using the newly grown mushrooms.

During the winter I kept the mushrooms indoors and fed them with all kinds of cellulose-based household waste. http://www.aa-vv.org/node/138 When the spring came I let them out on my Berlin terrace to thrive on something tastier – logs, straw, woodchips and garden scraps.http://www.aa-vv.org/node/142, http://www.aa-vv.org/node/156, http://www.aa-vv.org/node/155

The next NGG step/stop was the urban garden at Times'up (TU) – much more urban than the any notion I had of a "garden" (a few vertical beds and containers around the harbor building). I took it on happily as an challenging playground for cross-testing and inter-planting in order to discover what the best combination of mushroom varieties, kitchen veggies, substrate compositions and locations would be for the given environment. http://www.aa-vv.org/node/145

I went for a whole range of test combinations of indoor and outdoor cultivation, spreading the mushroom harvesting season across the whole summer and fall.

  * INDOOR NGG: in connection with my inoculation workshop. http://aa-vv.org/node/38 There were more than 24 mushroom objects created by participants and myself for the indoor trials. The fruiting mushrooms were expected within few weeks of their inoculation, with a harvesting cycle of three to four flushes every two weeks throughout the summer from May till the end of October 2012 http://www.aa-vv.org/node/153
  * OUTDOOR NGG: in front of the TU building (in direct sun): mushrooms were planted in combination with veggies in two suspended beds 
  * Behind the building (semi-shadow): two "grounded" mushroom beds and inoculated logs
  * Myco-hugel, a raised bed at the right side of the building http://www.aa-vv.org/node/147
From the beginning of May till the end of October the mushrooms grew continuously:
  * Almost all the mushrooms grown indoors did well, fruiting massively three or four times each from May till the end of August 
  * The area behind the TU building was perfect for Stropharia (not taking into account slugs) – three or four crops during July-August
  * The logs out the back started fruiting in September and will do so a few times per year over the next three or four years (I hope); In winter they will go dormant and have to be protected from freezing with straw or dry leaves http://www.aa-vv.org/node/154

The suspended bed (rain-protected) in front of the building was unsuccessful choice for the Stropharia considering its position in direct sunlight and lack of watering. V. P. djamor (The pink oyster mushroom) in the same bed did enjoy these conditions (being a tropical fungus) and gave a few crops over summer. The same goes for the Hypsizygus ulmarius (White Elm Mushroom), which was companion planted with strawberries and did very well in their shadow in the suspended bed.

A bit more about Stropharia rugosoannulata aka King stropharia (my favorite mushroom):
Three Stropharia beds were planted in spring:
  * Stropharia (on wooden chips) in the suspended bed in front of the TU building (direct sun) companion planted with tomatoes, basil, sweet pepper and pink oyster mushrooms at the side of the bed.
  * Two "grounded" beds with just Stropharia out the back of the building (semi-shady). One bed was straw-based, another had wooden chips

Stropharia did not fruit in the suspended bed, not at all. (Vegetables and Pink oyster in the same bed did very well though). I found the wooden chips with Stropharia mycelium almost dried out and overheated already on my return in May and tried to recover it with extensive watering and cooling down, but it did not work out in the end of the day for the following reasons: The bed was constructed in such a way that it would lose water very fast, and was fully dependent on someone to continuously water it, as it was located under the direct sun as well as covered from the rain. I suspect that this bed was extremely hot and dry for most of the summer. Stropharia likes the sun, but not over 30 degrees, and not all day long. In these conditions of rapid dehydration, it could not compete for water with the water-loving tomatoes and basil. Moisture absorption from the tomatoes and basil were more of a problem than a help.

The other two beds in the semi-shade round the back were very fruitful during July and August – three or four Stropharia crops (although I was a little "surprised" to find out that the harvests were either missed or discarded).

I tried the same kind of companion planting in Berlin, but in a "grounded" bed and in partial sunlight – it has resulted in four mushroom harvests over summer to enjoy!

One more parallel trial on the terrace of my Berlin apartment over the summer http://aa-vv.org/node/155#

Moist, semi-sunny location is very important for outdoor Stropharia's growing. Temperature above 32-35°C inside the bed most likely kills the mycelium. Stropharia fruits repeatedly throughout the season following rain. Misting of the bed in the evening is desirable if there is no rain for a long time. To start a new bed, the colonized woodchips can be used as a spawn for fresh chips. The stem butts of harvested mushrooms can be used as well. An additional layer of straw in the fall and another layer of straw/wood chips in the spring will keep the spawn moist. The cycle should be repeated year after year. This is a Super low TEK, very satisfying mushroom to grow, very yummy and excellent for the garden. It teams up with (especially) aromatic bushy plants (in my experience), as well as corn and beans, but also bees and worms. It is likely to enrich soils, thereby increasing the size and health of the veggies. It might even double the crop.

Some of the more overloaded Time’s Uppers didn’t really catch on to the "mushroom thing", so a few people got the bulk of the work experience of taking care of (too many) adopted strangers. I don’t know who got the most mushrooms in their omelette, but many thanks to everyone who tested and tasted the extraterrestrials.

In parallel with NGG @ Time’s Up I was still up to NGG at home (mushroom objects, beds and logs) to experience the crops close-to-hand, since I was unable to be at TU over summer http://www.aa-vv.org/node/155

I am continuing in this way of learning from mushroom growing trials. Mushrooms are infinite and I enjoy to be lost and found in the cultivation of practical knowledge about fungi and beyond.