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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33 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 ...
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2 votes
0 answers
14 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 ...
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1 vote
1 answer
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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 halway with water. Then add all the grass clippings to it. ...
2 votes
1 answer
34 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
23 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 ...
1 vote
2 answers
47 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 ...
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0 votes
1 answer
25 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
37 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
13 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 ...
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1 vote
1 answer
282 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 ...
1 vote
1 answer
24 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 ...
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0 votes
0 answers
22 views

White/Yellow Mold or Crust

Walked out to my newly built small plot this morning and saw this white and yellow on my dirt. There is cardboard about 3 inches below this miracle grow vegetable soil and below that clay dirt, so ...
2 votes
1 answer
68 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
77 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
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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 ...
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0 votes
1 answer
38 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 ...
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2 votes
2 answers
40 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 ...
1 vote
1 answer
23 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 ...
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1 vote
1 answer
31 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
28 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 ...
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3 votes
1 answer
61 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
71 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
45 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 ...
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1 vote
1 answer
74 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 ...
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4 votes
0 answers
37 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 ...
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1 vote
1 answer
98 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 ...
0 votes
0 answers
25 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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3 votes
4 answers
59 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 ...
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3 votes
2 answers
63 views

Can I Reuse Halloween Pumpkins as Fertilizer?

I have a bunch of pumpkins from Halloween. Normally I’d just toss them in the trash however began to wonder about an alternate use. Can I just mash up those pumpkins and spread around my trees and ...
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3 votes
1 answer
47 views

Does leaving the grass trimmings raise the lawn?

If I cut my lawn with a bio cutter, and therefore leave the grass trimmings on the lawn. Will the dirt level raise over time? My concern is if the dirt level will go above the side walk tiles, as my ...
0 votes
0 answers
26 views

Which NPK range are lawn starter fertiliser?

When watching videos on YouTube they talk about lawn starter fertilisers, where it is important to use such when seeding, so the new seeds doesn't burn. But what NPK range are considered to be lawn ...
2 votes
1 answer
122 views

Is Iron(II) sulfate safe to use in gardens with fruit trees and vegetables?

Iron(II) sulfate should be very effective against moss, and even a Fertiliser for grass, if I have understood its use correct. But my question is it safe to use in a garden with fruit trees and ...
4 votes
2 answers
73 views

Soil test results + need help understanding the recommendation

I have gone through couple of similar questions in this forum but did not quite understand on how to interpret and calculate the required amount of fertilizer and type of fertilizer to choose from. So,...
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1 vote
1 answer
28 views

How to deal with nutrients reacting with each other

I did a soil test and as expected my sandy soil came back low in almost everything but calcium with 8.4 pH and very low organic matter. I'm not worried about micronutrients as I could probably foliar ...
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1 vote
1 answer
288 views

Can Magnesium sulfate be mixed with NPK

Does magnesium compete with Potassium? I see several fertilizers that have Potassium and Magnesium at the same time, so I'm wondering if I could safely mix magnesium sulfate with an NPK fertilizer. ...
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1 vote
1 answer
242 views

Tomorite dilution

The bottle of Tomorite says 20ml should be diluted into 4.5L of water for use on 2 plants. 4.5L of water for 2 plants is more than I'd usually give. Would it be OK to quadruple the dose but also ...
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1 vote
1 answer
58 views

My indoor strawberry plants stopped producing runners, could fertilizer be the reason?

I germinated some strawberry seeds from strawberries that I bought from the fruit guy on the corner sometime in October of last year. Once the plants got big enough to flower, they started producing ...
1 vote
0 answers
18 views

Does boron require chelation in alkaline soils

My soil test shows 0.4ppm Boron which puts its into the deficient category. I have few Mango seedlings and mature pear trees that show Boron deificiency. I tried foliar feeding but I would love to ...
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1 vote
1 answer
41 views

Can foliar feeding immobile nutrients benefit new growth

In many articles that I read about correcting nutrient deficiencies, I noticed that very often foliar feeding is suggested as an option, even for immobile nutrients deficiencies. How does that help ...
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2 votes
1 answer
72 views

Difference between different forms of Potassium Sulfate

What would be the differences between potassium sulfate in its granular form versus the water soluble almost-powder form. As it's the same chemical formula, I'm mostly interested in the release time, ...
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1 vote
2 answers
39 views

Will Potassium Oxide reduce uptake of Sodium as much as Potassium Nitrate

I recently read that the potassium cation (K+) can reduce or prevent the uptake of sodium. I was wondering when a fertilizer lists Potassium as Potassium Oxide, will it have the same blocking effect ...
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2 votes
2 answers
82 views

Injecting zinc fertiliser directly into plant roots

I am facing an unusual problem. The soil concentration of heavy metal cadmium (Cd) in my garden is high. Getting cadmium out of the soil is a tricky and long term process, and the quick solution is to ...
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2 votes
1 answer
89 views

How can I remove the oil from my soil and grow new grass

I just moved into a new home that used to have an above-ground pool in the backyard. A guy mentioned that they might have put oil on the ground to prevent weeds from growing underneath the pool so ...
1 vote
1 answer
171 views

Why are my hydroponic herbs turning purple after changing fertilizer?

I replaced my depleted liquid Aerogarden fertilizer with 3-3-2 AgroThrive Organic General Purpose Liquid Fertilizer. I maintained the same feeding regimen: two capfuls every two weeks. My herbs are ...
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0 votes
2 answers
19 views

Is applying fertilizer to newly planted rootball laurel bushes a good idea?

I've recently planted some medium size (about 4' or 1.25m) root-balled cherry/common laurel bushes. Some are looking a little unhappy a couple of weeks later and I wondered if applying some balanced ...
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2 votes
3 answers
166 views

Need help interpreting my soil test results and fertilizer recommendations

The guy from the lab told me to use 13-13-13 fertilizer. my Lawn is 4000 sq feet, 1 (8 pounds/1000 sq ft) in April and 1 in May end. And then 1 each in September and October end. Also, use liquid ...
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2 votes
1 answer
236 views

Can I use seeds as a fertilizer?

Since seeds are packed with nutrients, could it be a good idea to break them (so they don't sprout) and use them as a fertilizer?
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 ...
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2 votes
4 answers
138 views

Are synthetic fertilisers necessary in potting plants?

Is it possible to have healthy plants (edible ones) flourishing in pots without the use of synthetic fertilisers? I have concerns regarding fertilisers polluting nearby water sources/soil from ...
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1 vote
1 answer
51 views

Is humic acid good for Norfolk Island Pine tree

I have a Norfolk Island Pine tree discussed here. I want to improve its well-being. Would liquid humic acid be helpful? What kind of fertilizer would be most effective? Is there any related ...

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