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Questions tagged [agriculture]

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4
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0answers
33 views

Is there a practical upper limit to ploidy?

In my AP Biology class, we were discussing polyploidy, specifically, its deleterious nature in mammals and its prevalence in plants. We also learned that commercial crops, especially fruit, are often ...
0
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1answer
113 views

growth stages of Maize

I am reading about growth stages in Maize and found this image. I downloaded a brochure of a maize variety grown in Brazil. On the right column, it says male flowering 63 days after planting (947 ...
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0answers
22 views

Cultivate snails and maintaining them alive

I found snails in my garden, I want to create a good house for them. I don't really know how to do. Sorry if this is not the good site to ask that but I don't want them to die so I'm trying to be ...
3
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0answers
43 views

What is a good approximate functional form for an equation relating plant growth to sunlight?

Question is in the title. I've got daily measurements of daily mean shortwave radiation at the surface, and annual measurements of plant growth (some measure, be it height or biomass or something). ...
2
votes
1answer
30 views

Is it possible to extract tissue-culture material from a seed?

Here is the problem: Tissue culture is cloning, and all plants from the same mother plant are identical. On the other hand, plants grown from seed are all different. If parent plants are genetically ...
0
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1answer
129 views

Should corn be considered an invasive species in the Midwest?

Per the United States Department of Agriculture (USDA) an invasive species is defined as: non-native (or alien) to the ecosystem under consideration whose introduction causes or is likely to ...
3
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2answers
53 views

Are agave plants perennial?

If I were to harvest an agave plant for its nectar, would it kill the plant? I have watched videos of the process and it seems quite invasive.
0
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1answer
61 views

Is it possible to produce bread using only microorganisms?

I am wondering if it is theoretically possible to produce bread using only microorganisms. If one lists all the chemical components, proteins fermentation time, etc., is it then doable to combine the ...
1
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1answer
69 views

Why people don't harvest Locusts when infestation happeds?

We've heard about tremendous amount of money losses even leading to famine due to crop destruction from locust infestation over and over again, but all these grasshoppers are a valuable protein, ...
0
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2answers
337 views

Potato Power. Self sustaining medium using a living potato plant possible?

The second picture are potatoes wired in parallel. I understand that the potato is the medium for a chemical reaction between the copper and zinc. That aside, would wired and in soil potato plant ...
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0answers
34 views

Pest on fenugreek

I need help identifying this pest on a fenugreek leaf. It is very common Maharashtra and Karnataka (India), and probably other states as well. Some of the leaves in the fenugreek bunches bought in the ...
1
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2answers
70 views

Mutate from non-GM to GM?

Would non-GM crops such as Grains, Fruits, & Vegitables retain their non-GM make up if they were to be re-planted in soils that have been made entirely of composted GM plants and GM plant matter? ...
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0answers
41 views

What impact do genetic engineering techniques have on seed breeders?

In research of seed breeding, I'm trying to understand the impact of genetic engineering techniques like CRISPR (This is the main one as I understand) on traditional seed breeders. Through searching ...
0
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1answer
28 views

How many kg of seed can one expect from 230 kg of cotton fiber?

So I'm working with data from recent cotton harvest from a seed company. They're more interested in cotton seed than the fiber itself. I'm trying to come up with seed yield numbers for an array of ...
3
votes
1answer
708 views

Impact of latitude on agriculture?

I live in southern California, where the difference between seasons is mild, and the dominant limitation on agriculture is the lack of water. (Spring is whenever it rains, not a place on the calendar.)...
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0answers
30 views

Do organic veggies contain more pesticides than regular food?

Since organic farms can only use "natural" organic approved pesticides rather than frequently more effective "synthetic" pesticides in use by other farms, does it mean that, on average per kg of ...
2
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0answers
97 views

What made *silphium* difficult to domesticate?

I tried this question at Worldbuilding SE, and was told that perhaps this place would give me a better chance at an answer. So, leaving aside the worldbuilding aspects of the issue, I am interested in ...
0
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0answers
57 views

Why haven't modern grass based crops overrun wild grasses?

Modern grass based crops are significantly superior to wild grasses, they grow faster, are stronger stemmed, have larger leaves and higher seed yields in terms of individual seed size, giving ...
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0answers
37 views

Can you grow more Biomass in a brickhouse only powered by solar cells than in a greenhouse? Will we ever be able to?

So I asked following question some physicists but they couldn't really help me though: Right now I read that 1m² of solar cells generates roughly 100Watts of energy. There are really efficient ...
2
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0answers
52 views

Pepper plant leaf curl and “sweating”

The "sweating" and leaf curl have been going on for about a week. I've done some extensive googling and have found mixed diagnoses. For context, the ambient temperature is 74°, I'm using 6,500 K lamps ...
7
votes
1answer
117 views

Experimental Analysis: What are possible reasons for this increase in N₂O production?

My professor wanted us to each conduct an experiment for class on something we thought would interesting. My experiment was very simple, but I'm not sure how to interpret my results. (Please note that ...
1
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1answer
544 views

How does inbreeding depression cause infertility?

My textbook states that repetitive self-pollination in the plants cause inbreeding depression which causes infertility thus plants develop techniques called outbreeding devices to encourage ...
1
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1answer
133 views

Do you know of ways that help a plant to produce more flowers?

In Crocus sativus, or saffron crocus, the most commercially important part is the stigma of flowers. Each plant produces one flower (so there is more than one plant in this picture) and each flower ...
10
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3answers
1k views

Why are fruits so large compared to their seeds?

Why do many plants produce such large fruits(apples and strawberries,for example) if those contain only relatively small seeds?
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0answers
19 views

Can different strains of Rhizobium share an infection thread or symbiosome?

Rhizobium infection can be triggered at root hairs of legumes, creating infection threads. Can these infections threads be colonized by more than one type of Rhizobium (e.g. Fixing and non-fixing)? ...
2
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0answers
35 views

Which agricultural crops attract rodents?

Are there any data on rodent populations per acre of different types of agricultural crops?
2
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0answers
177 views

Among xerophyte plants, which one grow faster and consume water the least? [closed]

In an effort to select for the most suitable plants to possibly colonise desert and stop its expansion, what would be the xerophyte plants that grow the faster and expand on surface, while using the ...
3
votes
2answers
71 views

recolonize earth desert with plants : which plants first?

if willing to recolonize earth desert , let's say sahara or any dehydrated and sterile land, without intensive human intervention, what would be the first plants / algae / fungi /bacteria to grow ? ...
2
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0answers
161 views

What fraction of biomass is cultivated by humans? Have we increased the number of large animals?

What fraction of "large animals" are domesticated by humans, compared to those who are wild? I mean cows, pigs, sheep, horses, dogs, cats in relation to comparable wild animals. Different measurements ...
2
votes
1answer
88 views

Why do oranges in the US have a small separate part?

Why do oranges in the US have a small separate detachable part at the tip which is separate from the other pods? It looks like a tiny orange itself and has a long fiber attached to it.
2
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0answers
240 views

What are the ingredients of Pheromone Trap using for controlling Fruit flies of cucumber?

Pheromone Traps are used for fruit fly control. But I have no idea which ingredients or chemicals are used for preparing Pheromone trap
0
votes
1answer
37 views

Utilising Mycorrhizal Association

We know that mycorrhizal association helps the plant to absorb nutrients. Why can't this association be exploited in agriculture ? Can't we add spores of the specific fungi to specific plant and ...