Growing Rhubarb

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03 May 20 Pat Collins (Australia - temperate climate)
I belong to a community garden and we have been using lots of fresh horse manure to feed our rhubarb and other plants. Last year our rhubarb seemed to get very weak and then developed root rot. Would this be due to the manure being too acid? our soil is quite clayey.
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05 May 20 Anon (Australia - sub-tropical climate)
Manures need to break down into compost before applying to the soil and then mixed into the soil. Manures are a great soil condition builder. Puts fibre back into the soil and opens it up to heat, light, water draining easily etc. Or you could put the fresh manure in a big tub/bin/drum and top up with water, after a week or two you could drain off the liquid and apply that. Stir the water/manure while it is soaking. Better to apply compost or broken down manures.
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