Thanks TC. I have been quite tentative about where to use it.....but from what you have said I think I need to give it to those monster pumpkins of mine...they have even started climbing up the lemon tree! They seem to grow almost a meter in a weekend... !!! I am so fascinated I just leave it to see what happens.
Urine is a good fertilizer for most greedy fast growing plants, dilute it more for the tender plants. We use a strong mixture for the bamboo while it's shooting and papaya and banana during the warm season. Comfrey would probably appreciate a strong mix of urine fertilizer too. Anything really greedy for nitrogen and phosphorus or thought of as really really fast growing can take fairly strong mix of urine as fertilizer. Just add plenty of mulch and compost around where you use it to help capture some of the nutrients and keep them close by as well as providing some potassium. Since you can't use the ash, you might simply use the wood chips and leaves around the garden and save the step of burning them for ash. And of course urine makes a wonderful compost activator if you have lots of "browns" and little/no greens or manure.
Thanks yes jacqueg...
If you're worried about adding wood ash to your soil, just dilute the pee with water - the most common recommended dilution I've seen is 10 parts water to one part pee - and apply to your plants, preferably within a few hours of the urine's production. This will give a nitrogen and mineral boost to any plant or compost pile, and at a 10:1 dilution, I doubt there would be any overdose effects.
The point of the study was that the combo of wood ash and urine released more nutrients than the urine alone. It could well be that wood ash combined with urine would not have the detrimental pH effects on an already alkaline soil that plain wood ash would have.
I think there's plenty of room for home experimentation here, using your own native soil, ordinary soil test kits, and varying ratios of pee and wood ash. Hmmm, I've been meaning to buy a soil test kit for some time now - anyone have any recommendations?
Robert Ray wrote:Helena Norerg-Hodge mentions the use of human waste and ash in her book "Ancient Futures"
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