Questions tagged [fertilizer]

Nutritional supplements for soil. Use this tag with questions about how to use or how to choose fertilizers for specific plants.

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1answer
30 views

Can I use bonsai liquid fertilizer on my regular houseplants?

I have 0.5 liter bonsai liquid fertilizer that has outlived my bonsai. I have tried to give it away for free in my local Facebook plant groups, but as it seems no one is really into bonsai in my area. ...
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2answers
598 views

Is this an acceptable way to use green waste on plants?

From what I've read online, it looks like I'm not composting correctly. I don't have much space in my backyard so there's no space for a compost bin/pile. Instead, I've been putting scraps of food at ...
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2answers
289 views

Why do fertilizer ratios not add to 100?

I often see fertilizer NPK ratios that are advertised as "percentages" but the numbers do not add up to 100. My Latin is little rusty but I think per centum means per a hundred. So, in that ...
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1answer
37 views

Coffee grounds as pesticide or fertilizer (in general and/or for Chinese Evergreens)

Earlier today, I noticed a lot of small tiny flies emerging from the Chinese Evergreens I purchased last weekend. At the time, I just had my freshly ground and used morning coffee beans... so I tried ...
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1answer
38 views

Liquid fertilizers and other solutions

I am searching for organic/natural ways to feed the soil & the plants and to let beneficial microbial and fungal colonies thrive. What I am not good at is timing, and the exact recipes of ...
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19 views

Low cost, liquid acid fertilizer

I am growing strawberries which I read prefer acid soil to alkaline one. I also read that using water that were used for beans soaking is recommended as a fertilizer. Will using it make my soil more ...
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0answers
12 views

Do sweet potato tops make good fertiliser tea?

I am growing sweet potato in my back yard and I come to realize the abundant amount of potato tops after harvesting, do they make a good fertiliser tea or I would just add them to the compost?
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0answers
12 views

Why is my Miranda not coming to full pitchers and it has brown spots?

I have a Miranda Nepenthes and I've had it for about 8 months or so. It is growing like crazy but I haven't had a pitcher to get to full maturity since it came in the mail. It starts to grow pitchers ...
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1answer
57 views

Can I use these fertilizers for my hydroponics system?

I am planning to start growing using hydroponics. Unfortunately I'm unable to obtain fertilizers that are made specifically for hydroponics. However, I can get water-soluble fertilizers. The images of ...
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1answer
21 views

Can plants in soil less culture (rockwool, coir) survive on a nitrate based nutrient solution without ammonium?

I have studied nutrient composition of fertilizers. Most soil fertilizers contain an about equal amount of nitrate and ammonium as a source of nitrogen, while most soil less fertilizers contain more ...
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0answers
29 views

Single large brown spot on Dracaena Dorado

I have been giving my dracaena dorado some fertilizer this year, on and off, maybe twice a month or less since March. I let it dry out between watering. The leaf tips were turning brown so I moved it ...
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11 views

Outdoor potted Mango seedling leaves are shiny brown

I started seedlings from mango out and doing really well but worries since leaves are a mahogany brown color. Too much water, not enough water? Need fertilizer, if not when it does, what kind and how ...
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1answer
32 views

Front yard shrubs need a boost

I come over from New Zealand once a year and get the family garden sorted. This year I haven't been able to arrive any earlier because of Covid-19. So we are in the middle of summer and the garden ...
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0answers
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The leaves on my peace lily are turning brown and yellow, the tips as well as the edges?

I got a peace lily plant from ikea a 5 months ago and ever since then the tips of the leaves are turning brown, or some of the leaves will turn yellow and then go brown form the outside in. I water it ...
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1answer
31 views

Blood fish and bonemeal

Because of its composition, this fertiliser is attractive to rodents. I find that a topical application often results in the soil in pots being tossed about - as they search for the meat/carcase which ...
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1answer
39 views

Use of hydrated lime as a calcium source

We have blossom end rot problem which is apparently a calcium deficiency. We have some builder's lime which I am told is calcium hydroxide and would like to use that as the calcium source. We can't ...
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3answers
56 views

Is algae good as a fertilizer for plants

I recently went to a beach and saw large masses of green and red algae, wondering if I could use this marine algae as a source of nutrition for my plants. If this is effective and not risky, should I ...
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40 views

What is going on with my coffee plant?

I have a coffee plant; I don't know the exact variation but I think it's "arabica". I got it as a small plant in a foam coffee cup 10+ years ago. It's currently located on a wall facing an East window....
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0answers
47 views

Banana tree health declining after repotting, yellowing leaves

I recently received a banana tree as a gift and as it is starting to decline I am worried about it. First off, I live in southern Canada (London) so I don't have a tropical climate but its been quite ...
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1answer
26 views

How to fertilize strawberries in containers?

I have strawberries in containers and i want to fertilize them. What is the best approch and what type of fetilizer do I need?
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19 views

What are these white granules at the leaf-ends of my gold fruit palm?

I have had a gold fruit palm in my apartment for over a year now, and it has always been happy and healthy. Recently I have begun fertilising it once a week or so with a (German) liquid palm ...
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2answers
39 views

How to convert garden fertilizer dosage to container dosage?

I have a bunch of old-school mineral fertilizers that I would like to use for container plants. The problem is that the dosage on them is grams/m2, lets say for simplicity it is 100 grams/m2. How do i ...
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15 views

What should I do if my pepper plants got too strong of fertilizer and they are wilting?

Basically, I added too much fertilizer to my pepper plants unknowingly. I thought it would help them, but the ends of the pepper plants are starting to turn brown and their stems are weak. Also, one ...
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5answers
3k views

Is fertilizing a zero-sum endeavor?

Maybe a better way to put this question is: Given an isolated garden bed, that had no external inputs except light, water and air. If you were to grow plants in it, compost those plants and add them ...
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4answers
105 views

Burnt dead plants as fertilizer

Just wondering if anyone has tried using burnt dead or discarded plants as fertilizer for new plants, and how much of the nutrients you can recycle if you reuse the waste from the previous harvest. My ...
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2answers
33 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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0answers
22 views

What is causing my avocado tree rot on leaf

I’m a newbie to growing avocado tree. This guys been growing for afew months and has recently started getting light brown spots on one of its leafs. The other leafs look okay apart from one or two ...
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1answer
48 views

Fertilizing a plant with its own fruit

From multiple sources I've understood that vegetable peels, such as potato peels, can be used as fertilizer for various plants. What about fertalizing a plant with its own fruit, or another part, such ...
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30 views

My indoor plant doesnot look fresh 🍃💦

I bought this plant to place it in my room but the plant does not look fresh 🍃💦 . What should i do? Do i need to put some fertilizer in it? My room doesnot have good sun. Thanks in advance and ...
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1answer
31 views

Does chemical fertiliser have an effect on growing newly germinated seeds in darkness using the “Petri Dish” method?

The situation is as follows. I am using the "petri dish" method of germinating chilli (pepper) seeds. It is just a takeout container + paper towel + water. The seed is sitting on the paper, not ...
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1answer
107 views

How to take care of White Sandalwood Plant in the Pot?

Previously, I have posted this question on SE and it was related to Red Sandalwood plant (dead now). Recently, I have purchased a new White Sandalwood plant. But, I think that the condition of this ...
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2answers
91 views

Using water soluble fertilizer as nutrient solution

I am quite new to hydroponics so forgive my ignorance :) I am planning to make a simple DWC set up (for tomatoes) and was wondering if I could use a water soluble fertilizer (20-20-20 with Mg Fe Cu ...
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0answers
333 views

Forcing a non-grafted lemon tree to produce blooms & fruit

About 8.5 years ago I successfully germinated a lemon seed from a store-bought lemon (I believe it was a Eureka lemon). Fast-forward to today and that lemon seed has grown into a 9-foot tall tree. ...
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1answer
34 views

Can crushed rapeseed be used instead of rapeseed meal as fertilizer?

Traditionally, the Japanese use rapeseed meal as fertilizer. This is a non-waste production, they extract oil from seeds and use the resulting meal as fertilizer. But I wondered: is it possible to use ...
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1answer
78 views

Why do turf winterguard (applied late fall) fertilizers have no “P” (phosphorous)?

A leading brand's fall food is 32-0-10. As I understand it “P” helps roots grow. The fertilizers say they help grow deep roots. So at first glance seems odd to exclude this macro. My hypothesis ...
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1answer
25 views

Testing for nitrogen after applying blood meal?

In preparation for refreshing a garden box for a winter season, I tested for nutrients and found it was very low in nitrogen. I added more soil and amendment (for other reasons -- neither has many ...
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1answer
57 views

Does the glyphosate in our urine make it improper for use as a fertilizer?

It is known that urine has many positive effects on plants due to its chemical composition (Nitrogen, Phosphorus, Potassium). However, it is now also known that even organic food consumers end up ...
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2answers
419 views

Whitish film over mustard cake tea

I had kept mustard oil cake dissolved in water in order to make fertiliser tea. But a whitish layer appeared over it after three days. Will it be safe to use that tea on my potted plants?
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3answers
107 views

Tomatoes seem to be stagnating?

I planted 4 tomato plants later in the season (mid June?). I have a 12" raised bed with good soil in it and they get about 10 hours of direct sunlight every day. I water them every other day with ...
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0answers
55 views

Avocado pruning, fertilizing and repotting advice

My very leggy avocado plant is about 1 meter tall and seems to be suffering from chlorosis. I think I need to prune it to make it more bushy, fertilize it and repot it. In what order should I do these ...
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2answers
45 views

Mint fertilized with geranium feed - not feeling good

A couple of days ago my roommate fertilized his mint with a geranium feed, but unfortunately, the mint does not seem to have appreciated it - the leaves became brown and mostly fell: see the picture ...
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0answers
41 views

How long can you store liquid tomato food after mixing?

I've bought a bottle of concentrated tomato feed. The mix ratio is 25ml concentrate to 4L I was hoping to mix a large amount in a tank and connect it to a gravity fed dripper irrigation system. I ...
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0answers
331 views

Can I recover my lawn from fertilizer burn?

I was hoping to improve my lawn. I used Scott's Weed & Feed with a little GrubX in hopes of killing weeds and improving the look of my lawn. (Fig A) I didn't think I over did it, but obviously ...
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2answers
37 views

How do I naturally or organically add iron supplements for my plants

From another question it looks like my avocado plants are deficient in iron. I'd like to explore and try natural/organic ways of supplementing iron. (I know organic is carbon and carbon compounds) So ...
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2answers
59 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 ...
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3answers
5k views

Using own hair and nail clippings as fertilizer?

There is a lot to hear about using horn shavings as ecological alternative to conventional fertilizer. I was wondering - since my hair and nails are basically the same substance, could I use them in ...
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1answer
427 views

Lawn fertilizer burn?

Is this light fertilizer burn? I used moss killer, lawn lime and crabgrass prevention+fertilizer in that order at least 2 weeks apart from early April to late May. New England Lawn.
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Is this burnt from fertilizer?

I plant this about two months ago and now it is showing yellow leaves I think it is due to some powder-like fertilizer I put around the root (5 inches away) and bury in the compost when I planted it. ...
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2answers
55 views

Fixing bad shape almost dead shrub

I live in Pacific Northwest and since last summer, I didn't take care for this guy: Now it looks very bad shape. I guess lack of sun is part of the problem. What can I do NOW? How should I care ...
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0answers
30 views

I over-fertilized my lawn

I misread the application instruction on the Scotts Fertilizer bag and set the rotary spreader to 7 3/4 instead of 3. Is there anything I can do to prevent fertilizer burn? I applied the fertilizer ...

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