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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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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. ...
giuseppe's user avatar
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5 votes
1 answer
5k 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 ...
user2472167's user avatar
5 votes
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280 views

How much P2O5 should I add to tomatoes

My tomatoes are developing purple spots at the bottom leaves. This is supposed to be a phosphorus deficiency. Tomatoes are growing in pots. Small ones are in around 4 gallons (~14 L) and big ones are ...
sanjihan's user avatar
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4 votes
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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 ...
Steve's user avatar
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4 votes
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825 views

Giving Miracle Gro fertilzer to prayer plant

The instructions on the Miracle Gro package says "Mix 1/4 tsp in 0.5 gallon water". Yet, the prayer plant (Maranta leuconeura) needs very little water every day (if at all) and fertilizer once every ...
wrahool's user avatar
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3 votes
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24 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
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 ...
Amy's user avatar
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2 votes
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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
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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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2 votes
1 answer
203 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 ...
Thomas Wagenaar's user avatar
2 votes
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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 ...
Fleureine's user avatar
2 votes
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Should I repot these pineapples?

I planted both of these pineapples from ones I bought in the store. Are they fine in their current pots or should they be repotted? Any other care tips for them? They have been inside for a while, but ...
bill999's user avatar
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Does chicken manure interfere with fruit trees?

I have a lemon and orange tree which chickens roost in and poo around and causing the trees not to bear much fruit. What can I do to eliminate the nitrogen in the soil? I cannot move the chickens ...
Travis Walsh's user avatar
2 votes
0 answers
32 views

Biofertilizer usage frequency

Currently i have decided to use bio fertilizers such as phospobacteria and azospirillum to my garden plants. I am confused whether these needs to be used regurarly on the soil or is it a one time ...
Krishna P S's user avatar
1 vote
0 answers
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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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Can sulfates be used in tandem at each's maximum recommended rate to lower pH?

I have blueberries in the ground in 3ft diameter holes replaced entirely with a 50% peat-moss, 20% shredded pine-bark, 30% topsoil mix. While the peat moss has a pH of about 5.0 and pine-bark around 5....
Paul W's user avatar
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1 vote
0 answers
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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
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 ...
ammoun's user avatar
  • 471
1 vote
0 answers
31 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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1 vote
0 answers
69 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
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1 vote
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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 ...
ammoun's user avatar
  • 471
1 vote
0 answers
27 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 ...
Mr. Boy's user avatar
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1 vote
0 answers
56 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 ...
pelegs's user avatar
  • 111
1 vote
0 answers
22 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 ...
Tal's user avatar
  • 111
1 vote
1 answer
29 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?
Home Gardener's user avatar
1 vote
0 answers
14 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 ...
Sharon Barefoot's user avatar
1 vote
0 answers
25 views

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 ...
Ari Procopiadis's user avatar
1 vote
0 answers
370 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 ...
space_potato's user avatar
1 vote
0 answers
21 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 ...
kayleah_90's user avatar
1 vote
0 answers
31 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 ...
Devon Nicholson's user avatar
1 vote
0 answers
41 views

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. ...
HP.'s user avatar
  • 585
1 vote
0 answers
31 views

Best practices for watering plants with geothermal water

My new home uses a geothermal water system, so the sulfur levels are high (based on the lovely rotten-egg smell). I've read that sulfur can be really good for plants, but I'm wary about the amounts I'...
Gwendolyn's user avatar
  • 430
0 votes
0 answers
25 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 ...
Farmer J's user avatar
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0 answers
30 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
  • 101
0 votes
0 answers
30 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
0 votes
0 answers
35 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 ...
ammoun's user avatar
  • 471
0 votes
0 answers
22 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 ...
Tempest16's user avatar
  • 185
0 votes
0 answers
142 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 ...
Ben Page's user avatar
  • 101
0 votes
0 answers
950 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 ...
Marinaio's user avatar
  • 447