Strictly, neither of them will improve the humus content, humus is made from decomposing plant material. Both, however will improve the soil. I don't think there is any difference between them.
How can you lie there and think of England When you don't even know who's in the team
Generally speaking, sheep manure has the lowest pH so is better if your soil is very alkaline, ‘farmyard’ is somewhere in the middle and horse is the highest. I’ve only found sheep manure in pelleted form so it doesn’t add as much bulk though.
For hummus, improving texture and drainage etc., I like composted pine bark. That is also a low pH so works really well in my alkaline clay.
Mountainous Northern Catalunya, Spain. Hot summers, cold winters.
I find that horse manure largely comprises wood shavings these days, but I do use it for soft fruits and fruit trees. I usually bulk buy mushroom compost blended with chicken manure which is more straw based which has plenty of rotted straw in it and I find it's the best for adding humus. The only thing to be aware of is that the above blend tends to be slightly alkaline. https://www.cpa-horticulture.co.uk/compost/mushroomcompost
Billericay - Essex
Knowledge is knowing that a tomato is a fruit. Wisdom is not putting it in a fruit salad.
Whatever manure you can get will do the job as long as it's well-rotted! I would choose whichever is easiest to get hold of, or cheapest. If you're lucky enough to be able to get both for free, there's no reason why you shouldn't use both.
Doncaster, South Yorkshire. Soil type: sandy, well-drained
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When you don't even know who's in the team
S.Yorkshire/Derbyshire border
When you don't even know who's in the team
S.Yorkshire/Derbyshire border
For hummus, improving texture and drainage etc., I like composted pine bark. That is also a low pH so works really well in my alkaline clay.
Cow?
Sheep?
Chicken?
Anyone going to suggest goat or llama dung? Or even elephant dung? 🤣🤣🤣
When you don't even know who's in the team
S.Yorkshire/Derbyshire border
I usually bulk buy mushroom compost blended with chicken manure which is more straw based which has plenty of rotted straw in it and I find it's the best for adding humus.
The only thing to be aware of is that the above blend tends to be slightly alkaline.
https://www.cpa-horticulture.co.uk/compost/mushroomcompost
Billericay - Essex
Knowledge is knowing that a tomato is a fruit.
Wisdom is not putting it in a fruit salad.