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Questions tagged [plant]

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CO₂ night emissions from a forest?

My question belongs to health and environment interactions, not to climate. I recently moved in a house close to a forest. I am living there temporarily. Wit respect to where I was living before, the ...
EarlGrey's user avatar
  • 459
3 votes
1 answer
79 views

When we're talking about the tree line, does it include mountain pines?

In the mountains, the tree line marks the elevation above which there are no more trees growing. Do those little mountain pines such as the ones in this image (it failed to upload for some reason) ...
Giovanni's user avatar
  • 175
1 vote
0 answers
28 views

How do housing developments affect the soil of the surroundings? Are the minerals/molecules in cement available to plants? Or is the soil too basic?

Calcium carbonate in cement can make the soil more alkaline but does that make large housing developments have a significant or negligible affect on availability of nutrients? Does it cause nutrients ...
Shane Aherne's user avatar
4 votes
1 answer
84 views

Why is iron an essential part of iron fertilization and carbon sink?

I just started researching iron fertilization, which is the induction of carbon sinks in the atmosphere through depositing iron in large areas, specifically the ocean. Why do most of the studies ...
Bob's user avatar
  • 41
3 votes
0 answers
24 views

Which tropical evergreen trees shed the maximum amount of foliage year-round?

I want to use the foliage to create compost for my farm. What are the maximum foliage shedding tropical evergreen trees ?
user1354825's user avatar
1 vote
1 answer
127 views

Were Carboniferous plants more efficient sequestering $\ce{CO2}$ than present plants?

The Carboniferous was a period where CO2 levels fell drastically. Source: Geologic history of seawater: A MAGic approach to carbon chemistry and ocean ventilation I think the main reasons are ...
user avatar
4 votes
1 answer
249 views

Which types of trees clean the air best?

Sorry if this is the wrong place... I have been camping a lot recently and I couldn't help but notice some of the campgrounds I am in are acres and acres of mostly pine trees. These trees have very ...
dave k's user avatar
  • 141
5 votes
1 answer
97 views

How is causality between past CO$_2$ levels and fossilized plant pores proxies established?

According to Mann and Kump (2015), Geologic proxies are characteristics of sedimentary rocks that we can use to infer ancient environmental conditions. Climate scientists study proxies because there ...
Ryan da Silva's user avatar
1 vote
1 answer
59 views

Can we store maize along with husk and kernal? [closed]

I'm a maize farmer and I'm almost ready for harvest. I'm planning to store my harvest for some time. Below are my questions: How long can I store my harvest? Can I sun dry my harvest with husk and ...
Uday Reddy's user avatar
1 vote
1 answer
61 views

Why autumn follows the rainy season

My location is India (this is to mention the context). The question I submit here is a common man's query (the level of this question and the expected answer). Water is essential for the growth of ...
user343802's user avatar
1 vote
1 answer
33 views

Fix pH Value ongoing with right plant

I am a very beginning in planting three. I sent a ground sample for analysis and one of the results is the pH value of pH 6.2 in water solution and pH 4.75 in ...
Stevan Tosic's user avatar
1 vote
2 answers
307 views

Why does chlorophyll only come in green? [closed]

Plants do not only come in green but chlorophyll does. The pigment in the plant creates other colored plants other then green. Could a plant grow under an alternative light spectrum like a green sun ...
Muze's user avatar
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3 votes
0 answers
41 views

Importance of soil adjusted vegetation indices for indoor use

I've been doing research on vegetation indices to try and prepare for my indoor plant analysis project. I have a question about soil adjustments, specifically soil line based indices like PVI. Is ...
jdavison's user avatar
1 vote
1 answer
1k views

Where on Earth does the atmosphere have the most $O_2$ concentration?

Is there a map that shows the average oxygen concentration in the atmosphere? Seems to me that it would be where the most plants are but I wonder if population and industry make a difference in oxygen ...
Muze's user avatar
  • 1
9 votes
2 answers
2k views

When did wildfires start to occur on earth?

An oxidizer, fuel, and heat are needed for a fire. When considering oxygen as the oxidizer, an oxygen concentration of approximately 16% is required for combustion. Plant material is the fuel ...
user avatar
1 vote
0 answers
35 views

Where I find the info about what plants, trees can be planted in a locality

I would like to know what plants, trees can be planted in a locality. I wanted this info around the globe based on latitude and longitude or by some other means. Is there a source organisation/source ...
Abhay Kumar's user avatar
5 votes
1 answer
4k views

Which plant produces the most oxygen?

Which plant is the most efficient in making oxygen for it's weight? I want to think it is the greenest plant with more leaves and least ...
Muze's user avatar
  • 1