New hot bed

IMG_20150212_123656 IMG_20150212_123704Cor, look at that lovely hot bed! Mind you, it’s not very hot at the moment becuase I’ve only just built it; but hopefully in a few days the temperature will start rocketing!

We had a pile of pallets mounting up from around the farm, from the various enterprises here (general farm & farm shop deliveries, Bath Bespoke carpentry, Easy José coffee, not to mention The Oven bakery, Young Blooms florists and Willy Good Ale) – along with all my veg, fruit and herbs, soon we’ll pretty much have everything here you need to avoid the supermarkets altogether!

IMG_20150212_140815 IMG_20150212_143843 IMG_20150213_135814So I dismantled a load of pallets using a pry bar and reused the wood to build 2 sides of the hot-bed; screwing or nailing the long pallet wood into the thicker shorter planks from underneath the pallets. I’d found a large sheet of scrap ply wood used as pallet separators, so thought that would save me stripping another pallet to make the 3rd side, and used that instead; plus I’d saved an old wooden door from the carpenter’s scrap pile a few months previously, which slotted into position and just about made the moveable 4th side.

IMG_20150213_140736 IMG_20150213_145135The 3-side C-shape of the bed went into the top of the Little Tunnel (just about fitted through the doorway sideways), on the bare clear soil (the mustard stumps in the pictures came out before loading the bed up); then I could start filling the box up with horse manure. Farmer Richard had kindly dropped a whole bucket-load of fresh strawy manure next to the tunnel over the weekend, so I set about trundling 15 wheelbarrows-full into the box. I’d also been left some spent hops from the Willy Good Ale guys (I have used these previously to mulch the raspberries as an experiment, and also dropped some in the compost); so I though I’d throw some of these in the hot bed too, to help the fermentation of the straw and manure, and general break-down of materials by bacteria and others, which is what gives off the heat. Mind you I’ve not heard of this being done before; and there may not be too much potential fermentation left in the hops, so I only put a few sprinkles in. The nice chaps at Carbon Gold have also offered to give me some GrowChar soil conditoner, to trial some in the hot bed and elsehwere (full of mycorrhizae and other exciting things that the microscopic fauna and flauna in the hot bed should love), so when that arrives I’ll pop a bit in there too.

IMG_20150302_115353 IMG_20150302_121047IMG_20150302_125912 IMG_20150302_132940After several tramplings down, and a few watering cans full of rainwater sprinkled over the layers to keep things nice and moist, and therefore in peak composting condition, I placed a thin pallet top over the whole bed with some empty compost sacks on top (to keep the moisture in the hot bed on one side, and leftover irrigation water under the seed trays on the other); then brought in the tomatoes, plus a tray of broad beans, all sown on Friday 27th – the broadies are partly to trial against the other broadies in the Module Tunnel, to see if germination is any quicker/better. Plus it gives me more room in the module tunnel for when the next mega batch of sowing happens in the next few weeks.

I popped a compost themometer in the hot bed too, to keep an eye on approx temperatures there: on Monday (approx 7-8C) the soil temperature in the tunnels was around 11C; the air temperature in the polytunnels was around 20C (nice sunny day); and the freshly made hot bed was 9C (the material had been outside in the cold, and was waterered with cold rain water). I’m keeping my fingers crossed that the temperature rises soon…



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