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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8 votes
1 answer
1k 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. ...
0 votes
0 answers
42 views

My idea for using activated carbon in the garden

I have a 20 liter bucket of liquid fertiliser. I mixed some grass clippings and some twigs and branches and added saltpetre, gypsum, and epsom salts to it. I must say I was surprised at how terrible ...
6 votes
1 answer
6k views

Kentia Palm's Outer Leaves Are Browning Quickly

I have bought a kentia palm about a year ago and I live in a warm and relatively humid climate. Some of the leaf tips have gone brown here and there in the past year, but I have noticed that the outer ...
18 votes
3 answers
55k 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&...
2 votes
1 answer
215 views

Is it a good idea to use some coconut milk on my potted plants as a fertilizer?

I have read that milk can be used as a fertilizer, by mixing it with water and adding it to the soil. For example: What ingredients in milk make it a good fertilizer?, Milk powder (for automatic ...
1 vote
1 answer
48 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?
2 votes
1 answer
50 views

Is foliar feeding net beneficial, over fertilising the soil directly?

As usual, one can find contradictory claims, either for or against foliar feeding. Since I'm sure there's plenty more studies out there, is there a general consensus on whether foliar feeding is (net) ...
1 vote
0 answers
21 views

Drooping peace lilly! Is it ok?

My peace Lilly is drooping and has brown/ yellow spots. is it overwatering or too dry ? I watered it last week But it was also recently fertilized. The soil is a bit moist around the stems but mainly ...
3 votes
1 answer
38 views

What is the cause and Solution to blossom end rot in tomatoes

There are a lot of questions and answers on this topic but I am not completely sure what the main issue is. There seems to be contradictory information as to what causes BER in tomatoes. I have two ...
2 votes
1 answer
119 views

Lemon seedling turning yellow and stopped growing

My lemon seedling is starting to turn yellow, the plant was once a rich green but it has started to fade now, the 2 top leaves are the most effected as can be seen in the picture. It has also stopped ...
2 votes
2 answers
160 views

Is it true that you can't add too much natural fertiliser such as Fermented Plant Juice to a potting mix as opposed to synthetic fertiliser?

I have been making "fermented plant juice" (FPJ) as explained in Nigel Palmers book - The Regenerative Growers Guide to Garden Amendments. Basically, you mix plant material with sugar, 50/50 ...
5 votes
3 answers
6k views

Can I mix cow & chicken manure?

Is there any disadvantage of mixing both? Will it add more value? I am planning to first dilute them in water and then apply in my veggie garden. I purchased these as bagged composted chicken and cow ...
2 votes
0 answers
30 views

Low ph lawn with high calcium levels

I am looking for recommendations how to fertilize while improving ph without further increasing the already high calcium levels. Any insights would be really appreciated.
2 votes
1 answer
343 views

Can you "feed" an avocado plant with avocado pits?

I have grown an avocado plant using the infamous toothpick method, i.e. suspending an avocado pit in water using toothpicks. Since the avocado pit contains the necessary nutrients, I left it in water ...
1 vote
0 answers
23 views

how to obtain information on fertilizer amount per volume

Very simple question but hour long search with no answer. Concentration of fertilizer is relation ship of amount of fertilizer (either mass or molar) with volume, NOT with area, yet all fertilizers ...
5 votes
1 answer
80 views

How often can I apply bokashi juice?

I have successfully setup a bokashi fermentation bucket. I'm currently harvesting bokashi juice and have applied it to some plants. I'm harvesting bokashi juice daily now. How often can or should I ...
1 vote
2 answers
64 views

Is 5-5-2 NPK fruit tree fertilizer suitable for indoor fiddle leaf fig tree?

I read that the best NPK ratio for indoor fiddle fig tree is 3-1-2. I have a fruit tree fertilizer with the ratio of 5-5-2. Can I use it instead? How far away from the ideal ratio is safe to go? Is ...
2 votes
1 answer
34 views

Converting JO-JO tank into liquid fertiliser tank

I have this idea of creating my own liquid fertiliser from all the bio-waste my house produces. I want to take a 2250L JoJo tank filled about halfway with water. Then add all the grass clippings to it....
6 votes
3 answers
131 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 ...
5 votes
4 answers
214 views

Ash as a fertilizer?

I usually burn dried coconut husk and thorny stems from my lemon plants and I winder if the ash produced from burning such stems and leaves or paper can be a good way to fertilize plants? Or I need to ...
6 votes
2 answers
114 views

Fertilized reservoir for automated watering system

I would like to move forward and install an automated watering system for my home plants that grow in growing tent. Today I’m watering x3 times in a week, each watering is for 4 liters of fertilized ...
3 votes
0 answers
40 views

Interpreting soil test instructions

I tested my vegetable garden soil with a lusterleaf rapitest Soil Test Kit. My soil test came back as depleted for nitrogen and phosphorous, and adequate for potash. This is the section of the test ...
2 votes
1 answer
25 views

Soil sample composition over time

I tested my garden soil (NPK for guidance in applying fertilizers) but now I'm questioning my results. I collected the soil as per the instructions and left it to dry in a bucket. Once dry, I left it ...
1 vote
1 answer
37 views

Why my vegetable become prematurely ready?

It has been crazy summer in New Zealand. Hot, wet, cold and plants are acting weirdly. But I just want to make sure what is wrong with my plants. Is it climate or is it soil? Most of my vegetables are ...
2 votes
0 answers
25 views

Trumpet vine is not growing after 4 months

I purchased 4 Violet Trumpet Vine plants and planted them in a raised bed that I have built on the side of our garden shed. The problem is that none of them have grown at all within 4 months (since ...
1 vote
2 answers
52 views

Is grass feed ok to enrich my allotment with?

So I have been given 60 kilos of grass feed for free by a friend, he asked me if I wanted free fertilizer and I said yes without realizing it was for lawns. It is not weed and feed, and does not ...
2 votes
1 answer
37 views

Is brewing plum alcohol forming mold like this suitable to make fertiliser or discarding?

I have a jar of plum alcohol that it is forming mold already due to the uncovered area not being filled with alcohol again. So would like to know what is the best use of it such as the possibility of ...
3 votes
0 answers
26 views

When should I fertilize my plants?

I live in an apartment in Brooklyn that is south facing, and the situation is that I get more light in the winter than the summer because of the amount of trees there are in the backyard (it's very ...
0 votes
1 answer
61 views

Can we use mayonnaise as a fermentation agent for liquid fertilizer?

I have some spoiled mayonnaise somewhat similar to in this picture. I was wondering whether it is possible to use it as an alternative for molasses in liquid fertilizer fermentation.
1 vote
0 answers
200 views

Onion(not peel) water for fertilizer?

I have heard several times that onion peel water is very good for fertilizer, but I never heard about onion itself. Is it good or bad for plants? I only heard if it can be used for insecticide, but I ...
1 vote
0 answers
15 views

How much fertilizer is too much when feeding mangoes

A Mango growing publication from University of Florida recommends a total of 1.5-3 lb of 8-3-9-2 fertilizer for example. (680-1360 g) My growing season is about 6-7 months (~26 weeks) and my ...
1 vote
1 answer
289 views

Fertilizer with an NPK title i can't understand

I've a fertilizer that has this as NPK specification NPK 6,1-4-5,6 I've understood till now the number should be three, one for each component NPK, what the other numbers means there? Here below the ...
9 votes
5 answers
3k 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 ...
2 votes
1 answer
87 views

14k gal/week irrigation system design -- am I missing anything? Who can I pay to review it?

I'm planning on setting up an irrigation system for a small farm, I expect to run about 14k gallons/week through the system. I'm trying to figure out how to get the water out to the fields. There's ...
4 votes
1 answer
82 views

How quickly do these fertilizers get used up?

I had my veggie garden soil tested last year and followed the university extension recommendations by adding nitrogen (blood meal) and potassium (sul-po-mag). So far, the plants have responded well ...
0 votes
1 answer
19 views

What mind of plants like Ash Fertilizer/ an npk of 0:2:13?

My wife has aquired some kittens and is using pellet fuel for their litter box. I believe she gos through about 7kg's a week. When looking at it, I see its also described as Ash Fertilizer and even ...
7 votes
5 answers
1k views

Is it OK to use human waste or spent cat litter for fertilizing edibles?

Is it OK to use human waste or spent cat litter directly into the soil where you grow fruits and vegetables?
0 votes
1 answer
92 views

Adding indianmeal moth larvae to compost

I feed mixed grains to birds in a pot. Today, I saw that the grains have turned smelly. I wanted to clean it and I found that there were a lot of small worms in them. A quick google search shows that ...
2 votes
2 answers
150 views

Amount of diluted fertiliser to use on plants

Is there a recommended amount of diluted fertiliser that should be used per plant? Once I've diluted fertiliser (e.g. Tomorite) into water, I never really know how much of that water each plant should ...
7 votes
3 answers
586 views

Dead tadpoles as potential fertilizer?

Being a new (and slightly curious) gardener, I had a thought about possibly using dead tadpoles as fertiliser for my upcoming vegetable garden. I tried to do some online research and couldn't find ...
1 vote
1 answer
56 views

Looking for suggestions on whether I should tear up this lawn or try to condition it

I have a front lawn that needs some major help. Trying to determine if I need to tear it up or try to condition it. I have a skunk that is digging small holes, but when I dig for grubs I don't find ...
1 vote
0 answers
34 views

How far is a espresso brew coffee nitrogen molecules to those able to be absorbed by plants?

I live in a small apartment with 3 small balconies, all of them full of plants. Most of the plants have big roots and are in too small pots, just because I don't have enough space or I have too many ...
3 votes
1 answer
82 views

Sul-po-may and blood meal at the same time?

My university extension suggested a combination of sul-po-mag and blood meal to increase my vegetable garden's potassium and nitrogen. Link: How to increase nitrogen and potassium at the same time? I ...
2 votes
1 answer
99 views

How to increase nitrogen and potassium at the same time?

I had my vegetable garden soil tested by a local university extension. (If it matters, I'm in the northeast US, zone 5.) The results indicated that the soil was deficient in nitrogen and potassium. ...
1 vote
0 answers
118 views

How to dose ammonium chloride?

I stumbled upon a brick of ancient NH4Cl. I dissolved a teaspoon of it in water and fed it at the base of a young pelargonium. Despite sufficient sunlight it's leaves were yellowing so I assumed ...
1 vote
1 answer
308 views

What Kind of Leaf Burn is this on my Bell Peppers?

These Bell peppers are nearly a year old and about a foot tall. They come from seeds from eating peppers from the supermarket. They have lived most of their lives indoors starting July 2021. I live in ...
13 votes
3 answers
4k 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 ...
1 vote
1 answer
222 views

What's a balanced homemade fertilizer I can use in my house plants?

I have a garden with a composting pile and also plenty of indoor plants, everything organic. These indoor plants will need fertilizer on a regular basis. In order to avoid plastic consumption and the ...
3 votes
0 answers
36 views

Leaf scorch on perennials from fertiliser

Fertiliser was applied correctly but some of the leaves were wet and it was only watered off after signs of scorch and wilt. The leaves are scorched on some of the plants. Will the plants put on ...
0 votes
0 answers
53 views

How long to see results in citrus tree after soil remediation?

I recently discovered that a nutrient imbalance might be contributing to a grapefruit tree having fruit with thick rinds and no fruit/pulp. Here's the explanation I'm working from. If I add bone meal ...

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