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Questions tagged [plants]

multicellular organism of the kingdom Plantae, such as trees, bushes, herbs, ferns and mosses. For questions about growing, keeping, or using plants in a sustainable way or to improve the sustainability of other processes.

6
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2answers
232 views

Which consumes more carbon dioxide: a fully grown forest or a newly planted one that is growing?

I was talking to some friends and one of them claims that it is more efficient to combat global warming by cutting the trees and replanting them because a growing forest consumes more CO2. (Firstly, a ...
2
votes
1answer
65 views

What is the problem in my aquaponics system?

I have an aquaponics system with 20 Koi fish and different plants which works by the Siphon method , and the fish water is about 22-26°c, which is usually less for plants of 2°c degrees. The water is ...
5
votes
2answers
164 views

What the best plant to grow on human waste and fix CO2?

My goal is to convert human waste into (less disgusting and more useful) plant mass while decreasing CO2 (for the sake of it) and I want to find seriously the most proper plant for that (I would think ...
6
votes
1answer
75 views

Best vegetables for roof top garden?

I have a small garden on the roof of an appartment Building, and I have an area of 3 square meters to plant crops. Last year I planted carrots and got around 100 distributed over the year. This year ...
4
votes
2answers
338 views

Transplanting mature high bush blueberries

This past spring I was given 2 mature high bush blueberry plants. They were around 6 feet high and 5 feet wide. They did produce a decent amount of berries too. A gardening friend told me that, ...
6
votes
2answers
1k views

How good is it to reuse water from plant pots?

I'm living in an apartment, and after I water my plants the water goes to plates below the pots. The pots are in a metallic structure above the plates, so I can take the plates to reuse the water (...
2
votes
0answers
591 views

How do trees absorb carbon dioxide?

How much of carbon dioxide is used in the first years of the tree, and how much in maturity? How much goes in the soil, and how much in the wood? What about the night? I live in northern Italy, and a ...
4
votes
1answer
719 views

Is grass efficient for carbon sequestration?

I wonder how much carbon dioxide does grass sequester, compared to trees. Moreover, is grass still efficient in absorbing pollution? It seems to me that grass would be more efficient in storing carbon ...
10
votes
3answers
1k views

What's the fastest growing plant by carbon density?

What is the fastest growing plant by amount of carbon stored in the wood? Bamboo is one of the fastest growing woody plants (by height), but it is mostly hollow, and so I'm not sure that it stores ...
4
votes
2answers
86 views

Renovating old pears trees vs removal and replacement with new trees?

The Gardening StackExchange question Renovating mature pear trees asks about the techniques for keeping existing old (75-100 years) trees alive. How does the choice between renovating old trees vs ...
13
votes
3answers
11k views

Dealing with flies indoors: Carnivorous Plants

I was wondering about a sustainable chemical free way of dealing with house flies. Specifically, I thought to keep this from having too many possible answers and evolving into a discussion I am ...
8
votes
1answer
151 views

What vegetable plants (if any) will produce enough organic matter to replenish the soil through compost?

I am looking for some good vegetables which will produce enough biomass that, once the main crop is harvested, the plants can be composted and returned to the soil, and will leave the soil better than ...
4
votes
3answers
286 views

What type of natural fertilizer should I use for shrubs?

I have many small shrubs, mostly flowers, ginger, onions and chili etc. I want to add some natural fertilizers to make them grow more. What is an efficient natural fertilizer?
2
votes
0answers
381 views

Why do my plants sprout and die in my aquaponic system? [closed]

I have an aquaponic system. My herbs sprout and grow to about 3 inches, then wilt and fall over. Is there something lacking, or is this a result of root rot? Should I lower the water level? I have ...
18
votes
4answers
2k views

What area is needed to grow enough food to sustain a person for a year?

I was wondering, what area space (m²) do I need to plant rice/bean in order to sustain one person for a year?
7
votes
2answers
342 views

Are there any experiences with small-scale duckweed farming using domestic wastes or wastewater?

Duckweeds are among the fastest growing higher plants, edible and rich in protein. They grow in lakes that are rich in nutrients, for example from fertilizer runoff. They have been used as tests for ...
12
votes
2answers
3k views

How plants survive in aquaponics?

Normally, we see in our garden that if there is an excess of water for certain plants (e.g. vegetable), they do not survive and their roots rot because of being soaked in water 24 hours a day. The ...
11
votes
2answers
23k views

Is it sustainable to bury dead animals next to plants?

I heard that dead animals can be used as fertilizers and can be helpful for making a tree grow taller and more healthy. Once I had buried a dead dog under a lemon tree, which at first did not result ...
10
votes
3answers
11k views

How to protect plant from insects?

Here in the place plants are infected with the insects surrounding it and it affects the leaves and root too so decrease the life of plants. So I want to know how to prevent this. Please suggest an ...
9
votes
2answers
620 views

How can we use fallen leaves from tree in best way?

In my neighborhood, there are so many trees along the road. So every day many leaves fall and everyday road-cleaning workers wastefully just burn it. I was hoping to use that waste in a more ...
35
votes
10answers
73k views

Which tree consumes most carbon dioxide and poisonous gases?

I want to suggest to a gardener to plant trees for reducing pollution and poisonous gases emitted from a factory. Which species is preferable to plant in the area around the factory?
22
votes
5answers
6k views

Planting trees for firewood - how many?

I'd like to heat my house using self-grown firewood. How do I go about calculating the number of trees I'd need to plant each year to make it sustainable - same number of trees harvested each year as ...
16
votes
3answers
264 views

Filtering indoor air with plants?

I have a daughter that has bad allergies. To help keep her allergies in check I use an electrical air purifier to keep the air in my house clean and filtered. I heard that houseplants could in ...
11
votes
1answer
2k views

Any use for Norfolk Island Pine leaves?

We have a giant (at least 30 metre high) Norfolk Island Pine in our back yard. Is there anything I could do to put the leaves to good use? They don't make good use for composting or as part of the ...
16
votes
1answer
663 views

Infrastructure layers for a green roof?

What layers of sealing/insulation/etc are needed when putting a green roof on an existing structure? Strong preference is for materials that are easily findable/not specialized products. To clarify ...