There are very few trees here, and those few that are, are the few shaded spots on the property, and I don't want to cut them, also the soil here is very sandy. I have an abundance of straw, along with lots of composted organic matter (essentially a mix of kitchen and bathroom compost, which was going to be fertilizer) and I'm wondering if that would work for raised beds. I can't imagine that planting in essentially 100% fertilizer that's been run through by worms would be a bad thing, but I don't know. I want to plant several different vegetables and herbs, and I also want to make a very large raised bed to plant corn on top of.
I would advise you to use what is easily available. If I had compost, straw and sandy soil I would put down compost, plant into that, then a few inches of straw mulch on top. This is a great way to build excellent topsoil.
Hugelkultur requires wood. If you don't have any wood, why are you looking to hugelkultur for answers?
In it's original form, Hugelkultur was a way of disposing of largely organic waste. Gardens were essentially planted atop midden heaps. But if you are lacking any such materials, then I suggest you look at other systems of gardening.
I would do as Leora has suggested. Also, look into lasagna gardening and sheet mulching.
It would be good to get more information from you about your whereabouts and situation in order to give better suggestions.
Keep us posted, and good luck.
A human being should be able to change a diaper, plan an invasion, butcher a hog, conn a ship, design a building, write a sonnet, balance accounts, build a wall, set a bone, comfort the dying, take orders, give orders, cooperate, act alone, solve equations, analyze a new problem, pitch manure, program a computer, cook a tasty meal, fight efficiently, die gallantly. Specialization is for insects.
-Robert A. Heinlein
Permaculture is about making use of the resources you have in abundance. Some people have abundant wood, and hugelculture suits them. If you don't have abundant wood you will end up investing a lot of time and money into it.
Rather than try and fit your land to a technique, look instead and see what techniques might fit your land.
Moderator, Treatment Free Beekeepers group on Facebook.
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