Nutritional supplements for soil.

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43
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9answers
70k views

How do I apply spent coffee grounds as a fertilizer?

I've read that spent coffee grounds work well as a fertilizer. But the methods of application are all over the map. Some indicate using it in compost, others suggest spreading it and broken ...
21
votes
5answers
4k views

How should I properly prepare a raised bed vegetable garden?

When building a raised bed for a vegetable garden, what do I need to do to properly prepare the soil? It is going to be mixed with different types of vegetables and herbs that I will rotate out all ...
18
votes
4answers
2k views

Why is it a problem to use manure as a fertilizing amendment over the long term?

I had my soil tested last fall. As part of the submission I checked the box that said I use manure as a soil amendment / fertilizer. In the results from the lab, they included a note that said that ...
16
votes
3answers
4k views

How often should I fertilize my lawn?

How often should I fertilize my lawn? Should I follow a certain schedule? I have heard of people fertilizing on around holidays [US: Easter (sometime in April), Memorial day (last week of May), fourth ...
15
votes
4answers
22k views

Why does my grass have bright green patches?

My yard is about 6 years old (new house). When we put the yard in, the seed was equal parts Fescue, Rye, and Kentucky Bluegrass. We live in NE Ohio. About 2-3 years ago, we started getting these ...
14
votes
2answers
2k views

My garden soil is devoid of nutrients, how should I improve it this winter?

The garden area in my yard has soil that even the weeds don't particularly love to grow in during the summer. They will make a half hearted attempt in the winter, but it definitely isn't as lush as ...
14
votes
2answers
1k views

What do the numbers in the names of indoor liquid fertilizers mean?

I went to pick up some liquid fertilizer for the plant I keep at work and I saw several varieties : Liquid Growth Indoor Plant 4-12-9 Food; All Purpose Liquid Concentrate Plant Food 12-4-8 with ...
14
votes
1answer
342 views

What are the primary nutrients utilized by plants beyond NPK?

When talking about soil and fertilizers, what are the primary nutrients in addition to NPK (Nitrogen, Phosphorus, Potassium) that play a major role in plant development?
13
votes
2answers
2k views

Will it kill my potted tree if I use tree fertilizer spikes?

I recently bought some tree fertilizer spikes to feed my potted dwarf kumquat and lime trees. After I got them home, I read the following warning on the side of the box: NOTE: Never apply within 30" ...
13
votes
2answers
2k views

What household wastes can you use to fertilize without composting?

I cannot compost, no room, no permission. My kitchen produces a steady output of used coffee grounds, which is a good slow release nitrogen source (2.3 .06 .6), should not attract pests or transmit ...
13
votes
2answers
822 views

How should I treat a frangipani?

I've just potted a frangipani cutting given to me by a friend and since it's not in it's natural climate, I'm wondering what conditions it will thrive in? If it matters, I live in a temperate zone. ...
13
votes
1answer
1k views

How do I know if a fertilizer treatment is burning my trees?

I started using fertilizer spikes on my dwarfed citrus trees in small pots. (Details may be found in this question.) As suggested, I used half a spike for each pot and I put the spike as far from ...
13
votes
2answers
4k views

How long does chemically fertilized grass remain poisonous?

Here's my situation: I have a lawn that I've refused to use chemicals on because I have a dog who likes to graze. The lawn is now a mess of weeds and very thin grass. I've tried organic fertilizers ...
12
votes
7answers
5k views

Is spent cat litter an appropriate source of nitrogen for compost?

Is spent cat litter an appropriate source of nitrogen for compost? The cat litter used is made of recycled paper pellets so is rich in carbon. It doesn't contain the cat faeces because that is ...
12
votes
2answers
978 views

How and when to plant young grafted fruit tree?

Our backyard is in a Mediterranean climate (Adelaide plains, South Australia) and we've been gifted a young grafted apple tree which has its root ball still wrapped in plastic. It's about 1.3m (4ft) ...
12
votes
1answer
7k views

Which plants/trees will benefit from using urine as a fertilizer?

We know that urine can do a plant good. Certain plants (like citrus trees) will absolutely do well if you add urine to their intake. But urine is very high in nitrogen and could potentially "burn" ...
12
votes
1answer
1k views

What sort of feeding schedule should I use for pepper plants?

I've been trying to find out about feeding my peppers plants. So far the information I've found is very inconsistent, so I'd like something as definitive as possible. When should I start feeding my ...
11
votes
4answers
2k views

Is it worth spreading ash on the vegetable plot?

My grandparents used to spread the ash from the fireplace on the vegetable plot. This was in reasonably large quantities (I mean, not just a thin trail of ash to deter slugs), and was done to "add" to ...
11
votes
3answers
1k views

Is charcoal good for use as a soil amendment?

I came across an article the other day on wikipedia about Terra preta. Has anyone used charcoal like this to enhance sandy soil, like we have in Florida? Does this really work, and what is the best ...
11
votes
2answers
486 views

How do I maintain a Raspberry plant?

I planted a raspberry cane this spring, and it appears to be doing well, having put out a new cane that is now 5 ft tall (and curving under its own weight.) There is also old growth at the bottom ...
11
votes
2answers
914 views

What is the difference between compost tea, manure tea, compost leachate and herbal tea?

We have seen several questions recently about compost tea. We have also seen questions about manure tea and at least one question that referred to compost leachate as "compost tea." What are the ...
11
votes
1answer
992 views

What type of fertilizer should be used on garlic?

This is my third year growing garlic and in the past I've sprayed my plants with a liquid fish and seaweed fertilizer throughout the season. I had also applied a small amount of composted manure in ...
10
votes
2answers
14k views

How often should I fertilize vegetables?

I only ever add fertilizer after I remove a previous crop and break up the soil a bit, but should I be adding fertilizer to vegetables that take 10 or so weeks to grow, such as zucchini? How ...
10
votes
2answers
948 views

Does urinating at the base of a tree help it grow?

I've been reading about tree fertilizers and urea constantly comes up as a good source of nitrogen for trees. Let's say your dogs always pick the same tree to urinate on every day. Would that tree be ...
9
votes
3answers
177 views

Managing Cover Crops

I put some fava beans in my vegetable raised bed during the winter months to add nutrients to the soil. The seeds have sprouted and I have some healthy plants growing. Question I have is what next? ...
9
votes
2answers
16k 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? ...
9
votes
3answers
2k views

Dandelions taking over the lawn

My lawn was overrun with dandelions so I've used some Ortho Weed-B-Gon Max and that seems to be killing the dandelions very well. The problem is now my lawn is very sparse with grass. There just ...
9
votes
2answers
44 views

What's the best way to take care of my potted orchid?

I have a phalaenopsis orchid at home. I have not done much to it in terms of taking care other than watering it. The base looks healthy but the top stem has dried up. What care do I need to take to ...
9
votes
1answer
976 views

How much coffee grounds should I add to my compost (and how frequently)?

I have been reading that spent coffee grounds can be used for fertilizer and/or composting and also came across this question on this site. I have a compost pile in the yard that holds roughly two 33 ...
9
votes
1answer
957 views

How should I choose the correct N-P-K fertilizer values for my plant?

I have a red coleus plant at work that's still growing despite my best efforts. I'm trying to choose the right fertilizer for it, but I'm not sure what I'm looking at when it comes to that sort of ...
9
votes
2answers
74 views

How to use banana peel as a fertilizer?

I have heard several times that banana peel can be used as a fertilizer for garden plants (especially so for roses it appears) and verified it with a quick search on the Internet. As it happens, I sit ...
8
votes
3answers
66 views

Tea leaves for fertilizers

As I drink quite some tea, I often wondered what to do with the remaining leaves. Googling around, I found that I could use them to fertilize plants. But from different sources, one even suggesting to ...
8
votes
1answer
49 views

Output of Septic tank as fertiliser

I have a septic tank with multiple chambers, the output of which is then pushed into a field (by design). As I'm new to living rurally, I asked a whole bunch of questions to the people who came to ...
8
votes
2answers
1k views

Does bonemeal promote bigger and stronger plants through root growth?

There are many web sites on how to use bone meal with claims like "Using bone meal will help your flowering plants, like roses or bulbs, grow bigger and more plentiful flowers." Is this true for all ...
8
votes
1answer
195 views

What features should I look for in a fertilizer spreader?

I have been asked to purchase a fertilizer spreader for someone as a holiday gift. I'm completely lost as to what features are worth extra money and what features are not. The recipient has an ...
8
votes
1answer
273 views

Will african violet fertilizer diffuse through clay pots?

I have several african violets in special clay pots. The pots kind of resemble a double boiler, and the lower pot is filled with water, then the upper section, containing the plant, is unglazed on its ...
8
votes
1answer
231 views

How regularly should I fertilise my bonsai plants?

Is there a need to fertilise my bonsai or should I just stick with replacing the soil once every 18 months to 2 years?
8
votes
1answer
45 views

How long should I wait after overseeding, before I apply pre-emergent weed preventer?

I aerated, overseeded and applied starter fertilizer last Sept 15th. Would I be safe to apply a pre-emergent such as Scotts fertilizer with Halts pre-emergent this spring, or would some of the grass ...
7
votes
6answers
375 views

Recommendations for Composting Bin

I want to start composting my yard and kitchen waste and use the compost to fertilize vegetables in my raised bed and some fruit trees I have. Right now I am not doing composting. My options are do ...
7
votes
4answers
12k views

What is the best way to put bonemeal into the soil?

I was suggested to put bonemeal to my chili pepper to make it stronger. However the plant is already there and I've read about bonemeal in the wiki and found out that bonemeal doesn't move by itself ...
7
votes
2answers
883 views

What should I do about bare patches in my lawn after killing off Creeping Charlie?

I live in midwest Iowa and my lawn has started to get taken over by Creeping Charlie. After much reading, I went out and bought the Ortho Weed Be Gone to try and kill it off. A week ago I tested by ...
7
votes
4answers
378 views

Is it beneficial to drop earthworms or red wrigglers into container plants?

Maybe it isn't worth much in smaller containers but at what size might this become beneficial? How many worms? Would I need to layer the bottom with additional food for them to eat? Would what the ...
7
votes
2answers
1k views

What's in eggshells that makes a good fertilizer?

I would like to know why eggshells are good for flowering plants!
7
votes
2answers
84 views

How do I change the soil on already planted plants (not in pots)

So my plants arent growing too well in my garden (as compared to my friends with the same plants I gave them) and was wondering how do I give my plants better soil? I've already mulched the ...
7
votes
1answer
249 views

Which Fertilizer should I use for Coriander?

Which fertilizer should I use to grow larger leaves on coriander plants? I have read this question - What could cause my coriander plant to start browning? Which talks about over water logged soil ...
7
votes
1answer
337 views

How far does a gallon of fish fertilizer go?

I'm using an organic liquid fish fertilizer (3-3-0). The instructions say to dilute 1 Tablespoon in a gallon of water, every two weeks for vegetables. But it isn't clear how many plants this will ...
6
votes
3answers
184 views

What does Mesquite Tree sap have that possibly makes it a good fertilizer for dragon fruit?

I have 2 dragon fruit (pitaya) growing under a large 30-year-old mesquite tree. The mesquite tree is dripping sap at the base of one of the dragon fruit plants. This plant is a deep green healthy ...
6
votes
3answers
410 views

Water soluble fertilizer

I just bought some Scotts (4M Snap) Lawn Fertilizer. On the container it says: Water soluble: No How does fertilizer that is not soluble in water get absorbed by the root system of a plant?
6
votes
2answers
44 views

Putting fruit tree branches in compost

I just started composting. In addition to putting lawn clippings, kitchen waste and dry leaves what else can I put in? Is it okay to put branches of trees (fruit, olive, etc) in the compost?
6
votes
3answers
7k views

How much fertilizer do I need for my vegetable garden?

Today I received the results for my garden soil test, which show that I have only 5 ppm of nitrogen. So my research (here, and elsewhere) has suggested that the best way to (organically) raise the ...