Questions tagged [soil-amendment]

About modifying a soil's content.

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3answers
1k views

Perlite and Vermiculite sustainability

Are perlite and vermiculite sustainable? For potting mixes, I have to use quantities of perlite and vermiculite. But I am concerned about their sustainability, and how they are obtained.
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1answer
57 views

High Sulfur and alkaline pH on Soil Test for Bermuda Lawn

I did a My Soil Savvy test on my Bermuda lawn (Phoenix, AZ) and the Sulfur was 42.90ppm with a recommendation of 6-12. The test also showed my pH at 7.14. Any ideas on how to reduce the sulfur and ...
3
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3answers
85 views

A section of land/soil is bad due to salt? How to fix?

A section of a alfalfa farm soil is bad. It is told that the cause is salty soil. What can be done to fix the soil? Update edit As requested by @csk , the source of the salt is: well, the land has ...
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2answers
35 views

How to amend existing soil in raised beds?

What is the favored way to lighten & amend soil inside a raised bed? My raised beds are aluminum troughs with volumes of 220 gallons. They are 2 x 2 x 8ft. We've been using them for a few years to ...
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1answer
35 views

Do I still need to water transplanted plants if they're being transplanted into a flood plain?

My mom, and I just transplanted 10 rhubarb plants (thinning 6 that were planted near each other), and I was wondering if there would be enough moisture in the soil to not need to water them (suction ...
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2answers
22 views

Is this growing medium good for compost?

This straw-like growing medium was used to grow dhingri (oyster) mushroom. However, due to climate getting hotter here, the mushroom died, and now I am thinking if this medium is suitable for compost ...
3
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1answer
3k views

Is it helpful to add coffee grounds to a droopy mother-in-law's tongue?

I have a mother-in-law's tongue, Sansevieria trifasciata, that's getting a bit yellow and slightly droopy. A friend recommended that I add some coffee grounds to the soil, which I've been doing, but I'...
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1answer
36 views

How much drainage in seedling potting mix?

I made my own seedling potting mix. It has 35% drainage and 65% water hold matter. Now, that I see it, I feel like it has too much drainage. I used roughly the same percentage of as Sungro's ...
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1answer
26 views

Vermiculate has a bad history of being tainted with asbestos; what about perlite?

I avoid vermiculite because of its horrible history of being tainted with asbestos. Wikipedia states that, nowadays, vermiculite is supposed to be tested for asbestos, but knowing a bit about testing ...
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1answer
44k views

Why it is bad to add sand to soil?

Motivation: this comment from stormy: And DO NOT ADD SAND to garden soil!!! ARRRGGHH. Again, when one takes clay soil, gravel, lime, gypsum, water and then ROTATE what does one get? Concrete. Sand ...
6
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2answers
310 views

What makes Ammonium Sulfate a soil acidifier but not Potassium Sulfate

Adding elemental Sulphur is a common practice to lower pH of soil. Ammonium Sulfate can also have the same effect. I read that Potassium Sulfate and Magnesium Sulfate may not have the same acidifying ...
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4answers
164 views

How to make well-drained sandy soil from potting mix?

I want to plant sage, which is said to grow best in well-drained "sandy soil". I bought some potting mix from the hardware store. Is off-the-shelf potting mix already sandy, well drained soil? ...
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1answer
28 views

Soil improvement for poor-producing squash for next year

I have two 8x4 raised beds that I grow various vegetables in, alternating tomatoes in one or the other with the other being squash, cucumbers, zucchini, pumpkin, and a few other vegetables. This year, ...
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0answers
43 views

Is it OK to put sod on top of gravel?

I have a small area (approx 400 sqft) near the pool where I'm looking to put down sod. I ordered the sod to be delivered today. Yesterday I used a mini tiller to loosen the dirt. I found that under ...
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1answer
31 views

How do I explore and make changes in my garden?

We recently bought and moved into our home. The previous owner set up some great plants (natives, water smart, fragrant and pollinator friendly) and trees with watering automation as well. The visible ...
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2answers
34 views

Poor draining sandy loam soil

I tested my soil and discoverd it has 10% clay, 29% silt, and 59% sand. I've noticed my soil sucks when it comes to draining water (unless it's slowly raining). Water will pool on the top of the ...
4
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2answers
13k views

What is Horticultural Grit?

I live the U.S. but I read UK gardening books. Can someone please explain what is "Horticultural Grit". What is it make of, what is the size of the particles? Is there some standard reference that ...
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4answers
4k views

Is Perlite safe to use in the home or will it cause health issues?

I'm new to indoor farming and I was wondering: Is it safe to use Perlite in the soil or should I stick to more natural organic materials like pumice or gritty gravel?
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1answer
62 views

UK equivalent of US University Soil “Extension” Offices

I recently found out that there is a (state?-)tax-funded community resource in the US associated with Land-Grant State Universities called "Extension Offices". They offer soil testing kits, ...
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2answers
991 views

Laying new topsoil, what if anything to mix in for worms or to kickstart healthy ecosystem?

For reasons that would take too long to go into (tl;dr version - a combination of mass gradual soil movement needing soil engineering, bad development, old paving/topslabs, + ground levelling to ...
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0answers
25 views

Improve soil in established flower garden

The soil in my garden is very hard; it's probably clay if I do just a little deep. However, I already have some plants established in my garden and I don't want to dig them up. It's a small area, ...
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2answers
35 views

Garden Soil Mix

First time gardener her. The wife and I decided to get our thumbs green and give veggies a go. We are going to be growing in buckets and garbage cans, and a few potato sacks. I was investigating ...
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1answer
32 views

What are the effects of planting potatoes as a 'cover crop' in newly forming soil as a pile of decaying wood chips?

Related to How do I plant potatoes that sprouted in my pantry? In a field I'm forming soil as mounds of wood chips with finished compost, muck, and soil mixed in, like small windrow planting beds. I ...
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0answers
52 views

Can we use coco and peat moss at same time?

As a soil mix, is it wise to use both coco peat and peat moss to have the good of both the worlds? Since some plants requires soil to dry out in between watering, peat moss will compact and pull ...
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1answer
164 views

Is yellow pumice/perlite a problem or indicator of bad quality?

The pumice is not in a pot, but still in the packaging, and I haven't put any water on it. Is this yellow pumice a problem or sign that the pumice is cheap/bad quality? I am not sure as a lava rock ...
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9answers
13k views

Do any plants add nutrients back into the soil as they grow?

It seems reasonable that there ought to be at least a few symbiotic plant varieties that benefit from improving soil condition for other plants. If not that, are there plants that essentially improve ...
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0answers
855 views

Is Natural Cinder a good soil amendment?

Found this online: Natural cinder of 4-8mm chunks a good stuff to add alongside perlite/pumice for succulents and other soil mix? EDIT: What about coal cinder?
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3answers
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Pumice or perlite for succulents?

Is pumice better for cactus and succulent mix and such than perlite? Is it all about the chunks? I am thinking of making my own soil mix for succulents and cactus and other plants like jade plants ...
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2answers
291 views

Gritty mix for cactus and succulents usage

I am seeing some gritty mixes for succulents and I cannot find any info on the product regarding it usage.. Will succulents or cactus do well if they are placed in those gritty mixes? Here are gritty ...
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1answer
1k views

How can I treat nutrient burnt basil seedlings?

I grow basil plants from seed. They're approximately 1 month old. I gave them a little pigeon manure, and I think I burnt them. How can I normalize the soil and plant? Thanks.
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2answers
538 views

Egg shells and peanut casings in pot soil

I was reading up a few weeks ago on fertilizing and someone, somewhere said that grinding down egg shells would be a good idea to increase calcium in the soil. Now this made me save some egg shells ...
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3answers
2k views

Will burning sticks in my garden affect the soil?

I live in a northern climate and won't be planting my garden for 4-6 weeks. Will burning sticks in my garden negatively effect the soil?
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11answers
43k views

Should I have added dead leaves directly to my garden?

With all the fallen leaves that were on our field I picked them up with my lawnmower with the pouch and them put that in my garden and worked the rototiller afterwards. I thought it would be good for ...
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2answers
18 views

What should general PH and nutrient levels be for new planting bed after amendments?

I am planting a salad garden with lettuces, kale, spinach, root crops, pole beans, tomatoes, peppers, and cucumbers. So many different PH level requirements and such for different plants are confusing ...
24
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4answers
22k views

Is it really important to give blueberry plants acidic soil?

I have two blueberry bushes which I planted at the end of the summer. Although I had read online that they prefer acidic soil, I didn't have the time to check the pH of our soil, and go out to buy ...
11
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6answers
2k views

How can the “soils” be improved on coral atolls.

My Parents are currently living on a small pacific coral atoll. Coral atolls, for the most part don't have much soil. Mostly they just have coral sands. These "soils" are very well drained (and they ...
14
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4answers
59k views

Should I use aluminum sulfate (sulphate) to acidify my soil?

It is often recommended online or by nurseries to apply aluminum sulfate to plants like blueberries, rhododendrons, azaleas and to hydrangeas to make the flowers blue. Is this advice I should follow?
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1answer
44 views

Which plants relate simbiotically to chillis?

I have been reading about symbiotic plants and mutualism and I am wondering which plant to introduce to the pot of my perennial chilli plant. Any hints? thanks!
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2answers
63 views

Adding 10 cm of cow manure to my orchard in summer without hurting trees

I have bought an orchard recently which has 42 apples 26 walnuts and 27 and some other trees. I know that no fertilizer has been added to soil for at least 2 years. I have read that adding 10cm of ...
20
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10answers
9k views

Amending clay soil on a large scale

What would be the best way to amend clay soil on half an acre? We want to grow our usual garden plants like tomatoes, cucumbers and such but the soil on the land we just bought is small rocks and clay....
0
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1answer
81 views

What type of soil do I have

I was digging to see what kind of soil I have and I found this gray rust brown layer. It's like clay when compressed but kind of crumbles in chunks. It's around 6" from the top. I'm curious how this ...
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2answers
87 views

What element is needed to turn Hydrangea flowers blue?

What element is needed to turn Hydrangeas blue? Is it sulfur or aluminum?
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4answers
787 views

What is the scientific term that describes soil that resists water?

I know this is an odd one, but I know there is a special word that horticulturists use to describe soil that is so arid that it resists water. So, when it rains, the water initially rushes off of the ...
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4answers
1k views

Excess Zinc in garden soil

I had the soil in one of my garden beds tested for a wide spectrum of minerals. This bed was originally filled with bought topsoil and mushroom compost, then it was cultivated with parsnips and ...
3
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1answer
85 views

What happens when you grow your plants in essentially worm castings?

I've heard of people adding worm castings to their garden soil, but what happens if you're on the worm casting extreme, and plant directly into worm castings?
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1answer
43 views

Is there such a thing as ant castings?

I was reading that ants will kill worms off, so this got me wondering is there such a thing as ant castings since I've found that a type of stinging ants love to move into wood chip piles.
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2answers
157 views

What is the difference between replacing soil and amending soil?

I came across this article and I find that it goes against everything that's said about soil amendment before planting. I've copied bits of it down below. You are planting a new tree, and you want ...
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2answers
44 views

Organic matter in organic fertilizer

Is organic matter (OM) in organic fertilizer important? Is higher OM better than lower OM? For example: NPK 3:2:2 OM 71% better than NPK 3:2:2 OM 60%?
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3answers
968 views

What is acid soil?

Everyone talks about acid soil, but what does it mean when someone says my soil is acid? How does soil get that way? Is it a good thing? Is it a bad thing?
3
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2answers
181 views

Crop rotation: by season instead of by year?

I have 3 raised beds in a small 30 m2 greenhouse, this is the first year I have it so I don't have much experience. I've been reading about crop rotation, and was wondering why you can't or shouldn't ...