Questions tagged [nutrients]

Plant nutrient requirements

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20
votes
1answer
5k views

How can I correct a nutrient excess in soil?

The soil sample I took last fall from my vegetable garden came back from the lab with this result: Optimum Range Calcium, Mehlich 3 (Ca) 2063 (...
19
votes
1answer
12k views

What is my citrus deficiency, based on leaf appearance? And how to treat?

In the images of my citrus below, you can see the leaves are paling towards the edges. What is the deficiency and how can I fix it? The soil is clay-dominated with some sand and coloured red, ...
16
votes
5answers
2k views

Are “minerals” and “nutrients” the same thing?

Some good answers on this question: Is it worth spreading ash on the vegetable plot?. But one answer says: I can't think of any minerals that would be present and the other upvoted answer says: ...
15
votes
3answers
8k views

Are there any benefits from leaving dead leaves in the soil around a plant?

Do the dying/dead leaves that fall off young plants provide any nutrients or any benefit to the existing plant, if left in the soil around the plant?
15
votes
1answer
2k views

What are the differences between above and below ground irrigation?

Is there a major difference in effectiveness of delivery of water/nutrients through the use of above ground (sprinkler, flooding, etc) versus below ground (buried drip pipes) irrigation systems?
15
votes
1answer
406 views

What are the primary nutrients utilized by plants beyond NPK?

When talking about soil and fertilizers, what are the primary nutrients in addition to NPK (Nitrogen, Phosphorus, Potassium) that play a major role in plant development?
13
votes
9answers
12k views

Do any plants add nutrients back into the soil as they grow?

It seems reasonable that there ought to be at least a few symbiotic plant varieties that benefit from improving soil condition for other plants. If not that, are there plants that essentially improve ...
10
votes
4answers
3k views

How to grow a tree on steroids?

How can a tree be made to grow bigger and faster constantly over 100 years? Could a full grown tree be given a constant trickle of water and a time-released nutrient pack, like huge miracle grow stick ...
10
votes
3answers
762 views

Is it really necessary to rotate runner beans?

A firm believer in 3-year crop rotation, I sow my runner beans in a different plot every year. After they crop, I dig their stems and roots into the soil, to replenish it with their captured nitrogen; ...
9
votes
3answers
20k views

What are the pros and cons of different rock dusts?

Rockdust is powdered rock that helps give plants extra minerals (such as silica for strong leaves and stems), trace minerals, calcium, iron etc. They can increase the soil pH somewhat, too. Rockdust ...
9
votes
1answer
111 views

What are methods of increasing the protein content of garden vegetables?

I read a random article about the effects of a certain fertilizer on tomatoes and how it happened to increase the protein content of the tomatoes relative to other fertilizers (1, 2) and it piqued my ...
9
votes
1answer
2k views

What nutrient solution is best for hydroponic basil?

What hydroponic nutrient solution is best for growing basil? I'd prefer to know what characteristics to look for rather than a particular brand or product.
8
votes
4answers
782 views

Developing new soil for gardening

We recently purchased some land that is on the bench of the mountains covered in juniper trees and has a PH of between 7 and 8. We have cleared a good size area and I would like to amend the soil for ...
7
votes
3answers
2k views

How can I organically make the soil potassium rich?

I believed that my tomato plants suffer from potassium deficiency, and by searching it on google it states that I can easily fix it by putting potassium fertilizer in my soil. I am now thinking on ...
7
votes
2answers
826 views

Should I use epsom salt foliage spray on giant sunflowers?

I'm currently growing some giant sunflowers. I really want them to be as big as possible. I'm wondering how good it would be to spray them twice a week with a epsom salt, gypsum and / or saltpeter ...
7
votes
1answer
151 views

Can I measure chemical elements in soil myself?

What sort of equipment would one need to ensure that plant soil contains the right concentration of the 13 mineral nutrients necessary for plant growth? Specifically, can this be measured in real-time ...
7
votes
2answers
362 views

Interveinal chlorosis of aubergine leaves

My aubergine plant seems to be developing some nutrient deficiency. I pulled it from the ground in autumn about 9 months ago and placed it into an air pruning pot with some potting mix, and kept it ...
7
votes
1answer
1k views

Why do the leaves on my Meyer lemon have blotchy yellow areas?

I have a Meyer lemon that I purchased a few months ago. I potted it into a self watering container with some potting mix mixed with some peat. It's flowering and small fruit are forming but the leaves ...
6
votes
1answer
7k views

Is it too late to add sulfur to my vegetable garden soil?

My soil test from my local county extension office says: Your pH is 7.4 ... You should incorporate sulfur to a depth of 6" at a rate of ½ lb per 100 sq. feet at least 6 weeks before planting in the ...
6
votes
2answers
929 views

Can I ignore soil pH and just give blueberries chelated iron?

As Why do blueberries need acidic soil? points out, it seems that iron is really the biggest nutrient to suffer in alkaline conditions. Even an answer there, despite a nice emphasis on the broader ...
6
votes
1answer
50 views

Why is my pecan tree only producing tiny fruits?

For a couple of years, my pecan tree has been yielding tiny nuts (3 cm/1 inch in length), and only a few of them. I live in a Mediterranean climate, and the last few summers were somewhat harsher ...
5
votes
3answers
1k views

My first strawberries of the season are not very flavorful

I have a strawberry patch that I've left go for the past few years. It's gotten rather wild in the back garden as I've had little time to really devote to gardening lately. I went out to the patch ...
5
votes
3answers
538 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?
5
votes
3answers
9k views

Can I give sugar (or something similar) to flowering plants?

I was wondering if it's possible/advisable to give a flowering plant or any plant for that matter, sugar (or something similar) in addition to plant food?
5
votes
2answers
234 views

How does Guano improve plant life?

I'm interested in the use of Guano as a plant fertilizer. Are there only specific plants to give this to? Also, how much and often is it necessary? I mix organic compost every 2 - 3 months for my ...
5
votes
2answers
548 views

How should I care for a potted apple seedling?

About two weeks ago, a friend of mine ate an apple and found that the seeds had already sprouted inside the apple. I thought this was pretty cool, so I put them in a cup to grow. They grew into "...
5
votes
2answers
462 views

Laying new topsoil, what if anything to mix in for worms or to kickstart healthy ecosystem?

For reasons that would take too long to go into (tl;dr version - a combination of mass gradual soil movement needing soil engineering, bad development, old paving/topslabs, + ground levelling to ...
5
votes
1answer
2k views

At what point do seedlings start to need nutrients? [duplicate]

A seed has all the food it needs to germinate so water is enough to make it grow, after that though, at what point are minerals and other nutrients needed? I suspect the time would depend on the type ...
5
votes
1answer
128 views

What are the best components for producing compost which supply maximum nutrients?

People made compost from different components but they cannot realize about nutrient amount in the compost. So it is essential for selecting appropriate components. It is very important for organic ...
5
votes
1answer
323 views

Why are my blackberry leaves tasting like sulfur?

People don't always realise but you can eat a certain amount of blackberry leaves (and use them as herbs to make tea for diarrhea and stuff). The tea usually tastes and smells pretty good (kind of ...
5
votes
1answer
126 views

Nutritional value of home-compostable plastic?

There are types of compostable plastic that you can compost yourself at home (as opposed to compostable plastic that can only be composted in industrial composting facilities). I was wondering if ...
5
votes
1answer
1k views

Aquaponic water used as nutrient mist for aeroponic growing system

I'm planning a home growing system combining aquaponics and aeroponics and am trying to understand if I can find another use of the aquaponic water setup and specifically for aeroponic systems with ...
4
votes
3answers
2k views

how to increase Phosphorous, Potassium and Calcium in lawn soil

I recently used my local extension service to do a soil test. I did this before I fertilized for the spring so I got a post-winter reading on the soil. They said my lawn was very low in Phosphorous, ...
4
votes
1answer
51 views

Soil nutrient replacement, bamboo question

I know little of botany and earth science subjects. This might be a stupid question, here it goes. What I have: A hillside with a running variety of bamboo in Oregon. The bamboo shoots reach about ...
4
votes
1answer
58 views

New Sod Installation - TLC

I just had SOD installed in my yard. I live in Arizona so our dirt/soil is not the best. I checked under some of the SOD cuts and didn't see that any mulch/seeds/nutrients were used which worries me a ...
4
votes
1answer
97 views

Approximately how rich is the soil that's permanent-black dirt?

Unless you've dug around in a swamp you probably haven't seen the dirt that's permanently black (or the dirt that's built up over 1000s of years from decomposing plants), so I was wondering how rich ...
4
votes
1answer
1k views

Can frog droppings be used as fertilizer?

In the context I am thinking, I would essentially be mixing the droppings into the topsoil in a plant bed. How much would be too much? How much would be too little to make a difference? Nutrient ...
4
votes
1answer
531 views

What would cause only one cane of a raspberry plant to show nutrient defficiency?

I have a Canby raspberry plant. One cane is showing some form of nutrient deficiency. On other hand, the other stalk is is flourishing and even budding fruit. What would cause this, seeing as the two ...
4
votes
2answers
3k views

Hibiscus problems

I have a hibiscus exhibiting multiple problems. Around 6 months back, the leaves had turned skeletal, with sooty black growth (fungus?) more pronounced near the base and leaf undersides. After some ...
4
votes
1answer
298 views

Can apple scab be treated with comfrey or other biodynamic accumulators?

In this video from Advancing Eco Agriculture it is claimed that apple scab is totally arginine-dependent for energy, and historically sprays for apple scab suppressed arginine production. In some ...
4
votes
1answer
878 views

How do you make the nutrient solution for a hydroponic system from solid compound NPK fertilizer?

All I can buy in my country is traditional solid NPK fertilizer as shown in this picture: How can I prepare a nutrient solution for growing lettuce with this. (I also have Calcium Nitrate and ...
4
votes
2answers
240 views

Nutrition for a Navel Orange

Need some help keeping my navel orange healthy. The first image shows the (semi-dwarf) navel orange shortly after I planted it in September 2012 (around 8 to 9 months ago from writing this post). The ...
3
votes
3answers
453 views

Is it good to add probiotics to your fermented plant juice?

I'm just wondering if adding some sort of bacteria like the ones you get in your probiotics supplements, can be good for your fermented plant juice?
3
votes
2answers
282 views

Venus fly trap plant closes its trap but won't digest

We bought a Venus fly trap about a month ago and it doesn't eat, we put a dead fly inside one of the traps and it closed, but after a while it opened up with the fly the same as it was before. This ...
3
votes
1answer
5k views

How is nutritional value in fruit and vegetables measured? [closed]

We often read in books and Wikipedia that certain fruits or vegetables contain certain amount of vitamins, minerals and other elements. An example can be seen on Beetroot in the box with nutritional ...
3
votes
2answers
99 views

Bring pachysandra back to life

A large patch of my pachysandra covering was ripped up by trucks last May. See the white oval in the picture. I was expecting it to come back during the summer but I didn't. What can I do the bring ...
3
votes
1answer
43 views

Is it true that having only one fruit per vine makes it taste better?

I had noticed how expensive square watermellon is and apparently the reason for that is because often times farmers will only grow one watermellon per vine as opposed to the normal four or five per ...
3
votes
2answers
638 views

Citrus tree deficiency or toxicity

I have an orange tree that has some issue but I can´t pin down what it could be, I don´t have that much experience with pinning down deficiencies or exceses on trees than in plants. I will post some ...
3
votes
1answer
842 views

What are the long term effects of adding iron oxide pigments to soil?

Iron oxide (Pigment Black 11) is a intense black non toxic and very cheap pigment. I think I have read somewhere that soil from shops is sometimes pigmented with iron oxide because it sells better. ...
3
votes
2answers
977 views

What is the correct ratios for Epsom Salt and Gypsum solutions?

I want to use solutions of Gypsum and Epsom Salts to augment the nutrients in my pot plants. They seem to be having some mineral deficiencies. I'm wondering what is the correct amount of Calcium ...