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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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How to make this lawn THICK, GREEN and Weed Free?

I am new to homeownership and with lawn care and there are so many products and information out on which path to follow for my Bermuda Grass. I live in Knightdale, NC , Comes under zone 8a. I have a ...
Gauti11's user avatar
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How to use charcoal ash for

I have a lot of charcoal ash after doing BBQ and it is hard to throw it but I read somewhere, it can be good for grass, I have got patchy garden and my goal is to make it beautiful and lush. Will ...
localhost's user avatar
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Is it safe to eat brassicas that are fertilized using fish waste?

Some Brassica species such as Brassica juncea and Brassica oleracea (broccoli, cabbage, cauliflower, kale, etc.) are hyperaccumulators of heavy metals. If the soil where such plants grow is regularly ...
Flux's user avatar
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What do you recommend as the best way to feed watermelon?

My planting scheme is relatively small: 70cm*100cm. I planted watermelon from seedlings, but I want to know from you what they fertilize in the West. Because in Ukraine we have organic or chemical ...
Village-Life.biz's user avatar
3 votes
1 answer
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What is Christmas Island Rock Phosphate (CIRP) and how do I use it?

I found 2 kilogram (4.4 lbs) sealed plastic bag labelled "CIRP Christmas Island Rock Phosphate 34.5% P2O5". It contains very fine light brown powder. I assume that it is phosphate ...
Flux's user avatar
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2 votes
0 answers
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tools and techniques for determining nutrient status in plants

I am interested in tools and techniques, both commercial and academic, developed for determining nutrient status and identifying limiting nutrients in growing plants. My specific interest is in ...
sanjihan's user avatar
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173 views

What form of nitrogen will be best for plants?

I was thinking about other approaches to wards supply of nitrogen to the plant other then using urea, so what form of nitrogen will be best for plants? And also if we just pass the atmospheric N2 (of ...
Rainy sidewalks's user avatar
4 votes
0 answers
42 views

What timeline is a fertilizer's NPK value based on?

Fertilizers' NPK values tell me how much nitrogen, phosphorus pentoxide, and potassium oxide equivalent they will have 'available' for my plants. The fertilizer may also contain nutrients are not '...
MackM's user avatar
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Available (soluble?) vs. total phosphorus for seed starting

I'm going into my second year starting seeds in soil blocks, and this year I'm switching from a prepackaged fertilizer mix to making my own. I'm going largely from Elliot Coleman's original soil block ...
Daniel Slomovits's user avatar
0 votes
0 answers
49 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 ...
Neil Meyer's user avatar
2 votes
1 answer
574 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 ...
hb20007's user avatar
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2 answers
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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) ...
VanillaDonuts's user avatar
1 vote
0 answers
24 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 ...
Plantlover's user avatar
3 votes
1 answer
266 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 ...
JStorage's user avatar
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2 votes
2 answers
319 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 ...
Michael Sherpa's user avatar
2 votes
0 answers
59 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.
Rizzor00's user avatar
1 vote
0 answers
24 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 ...
atapaka's user avatar
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0 answers
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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 ...
nuggethead's user avatar
2 votes
1 answer
29 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 ...
nuggethead's user avatar
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 ...
Manoj's user avatar
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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 ...
mitchkman's user avatar
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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 halfway with water. Then add all the grass clippings to it....
Neil Meyer's user avatar
2 votes
1 answer
40 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 ...
西門 正 Code Guy - JingCodeGuy's user avatar
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 ...
stackuser's user avatar
1 vote
2 answers
54 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 ...
Richard C's user avatar
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1 answer
100 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.
Emma Smith's user avatar
1 vote
0 answers
344 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 ...
Muhammad Dyas Yaskur's user avatar
1 vote
0 answers
16 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 ...
ammoun's user avatar
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1 vote
1 answer
292 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 ...
Felice Pollano's user avatar
2 votes
1 answer
300 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 ...
Ned's user avatar
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2 votes
1 answer
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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 ...
materialDefender's user avatar
4 votes
1 answer
84 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 ...
nuggethead's user avatar
1 vote
1 answer
25 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 ...
davidgo's user avatar
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0 votes
1 answer
127 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 ...
EresDev's user avatar
  • 569
2 votes
2 answers
372 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 ...
user2878409's user avatar
1 vote
2 answers
124 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 ...
pkout's user avatar
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1 vote
1 answer
69 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 ...
EagleBahn's user avatar
1 vote
0 answers
35 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 ...
riqui's user avatar
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3 votes
1 answer
105 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 ...
nuggethead's user avatar
2 votes
1 answer
143 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. ...
nuggethead's user avatar
1 vote
0 answers
157 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 ...
Vorac's user avatar
  • 1,364
1 vote
1 answer
646 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 ...
Daron's user avatar
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5 votes
1 answer
89 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 ...
Ruudjah's user avatar
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1 vote
1 answer
289 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 ...
Fred Rocha's user avatar
0 votes
0 answers
71 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 ...
ASimonis's user avatar
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5 votes
4 answers
389 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 ...
4-K's user avatar
  • 3,197
3 votes
2 answers
65 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 ...
Ifrit's user avatar
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3 votes
1 answer
53 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 ...
Sandra Schlichting's user avatar
0 votes
0 answers
55 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 ...
Sandra Schlichting's user avatar
2 votes
1 answer
601 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 ...
Sandra Schlichting's user avatar

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