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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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 ...
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20 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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4answers
51 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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2answers
60 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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1answer
36 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 ...
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18 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 ...
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1answer
30 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 ...
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2answers
65 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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1answer
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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1answer
47 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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19 views
How to make DIY coated grass seeds?
Coated grass seeds seem to germinate faster and more reliably, but are of course more expensive.
Reading an article Seed Coating - Science or Marketing Spin I am wondering whether there is any proven ...
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1answer
60 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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1answer
39 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 ...
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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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1answer
24 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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1answer
39 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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Which fertilizers do best at reducing the uptake of sodium?
I use tap water for irrigation which comes with a decent amount of Sodium. I would like to reduce the soil salinity with adding Potassium and Calcium. I have an alkaline soil with a pH of 8.4.
When it ...
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2answers
33 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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2answers
77 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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1answer
38 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 ...
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1answer
96 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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24 views
Do Agriform tablets work well for existing mature plants & trees?
My landscaper used Agriform tablets as fertilizer when he planted trees and plans in my landscape. It has been ten years and time to fertilize the plants and trees again. I have a choice of using ...
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2answers
17 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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3answers
82 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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1answer
81 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?
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0answers
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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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4answers
132 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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1answer
24 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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22 views
How to feed and mulch fruit bushes
I found some good information on looking after fruit trees of types common in the UK here (https://www.rhs.org.uk/advice/profile?pid=539)
Essentially:
Clear ground of grass around the trunk
Apply ...
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33 views
Fertilizers with harmful levels of salts
I read in some articles that potassium chloride and ammonium sulphate can lead to salinity buildup. Is there a simple way to tell by looking at the fertilizer formula if a fertilizer can increase salt ...
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1answer
71 views
Can you bleach human poop to use as fertilizer?
I was thinking about how in The Martian the astronaut used the crew members poop to fertilize the soil and grow potatoes and decided to learn more about that. I read, though, that unprocessed human ...
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37 views
Optimal hydroponic nutrient solutions for different herbs
I'm planning to grow different herbs hydroponically: basil, sage, mint and thyme.
I would like for the nutrient solutions for each herb to be the closest possible to the optimum.
For basil I found ...
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1answer
89 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 ...
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1answer
72 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
620 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
436 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
52 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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66 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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20 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
19 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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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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2answers
103 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
35 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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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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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
33 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
105 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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151 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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1answer
75 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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154 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 ...
