Nutritional supplements for soil.

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9
votes
2answers
696 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) ...
33
votes
9answers
45k 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 ...
12
votes
2answers
1k 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 ...
9
votes
4answers
1k 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
1answer
3k 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" ...
11
votes
2answers
1k 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" ...
10
votes
2answers
640 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
3answers
3k 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 ...
11
votes
2answers
720 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 ...
10
votes
3answers
601 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 ...
8
votes
1answer
524 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 ...
3
votes
1answer
1k views

A visual reference to nutrient deficiencies in plants [closed]

Often times we cna look at the leaves of a plant to determine what nutrients are missing in the soil which the plants need. It would be nice to have a repository of images with accompanying ...
2
votes
1answer
210 views

Can I use an NPK compund fertilizer on herbs?

I have some "Low nutrient NPK compound fertilizer" which is sold as Citrus Food left over from a Calamondin tree which has sadly passed away. Can I use this fertilizer on my herbs? They are basil, ...
12
votes
2answers
2k 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
1answer
286 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?
9
votes
2answers
346 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 ...
9
votes
5answers
2k 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 ...
8
votes
1answer
767 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 ...
8
votes
1answer
211 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?
7
votes
2answers
8k 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 ...