Questions tagged [agriculture]

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12
votes
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?
7
votes
1answer
889 views

Did the old world have relatives of plants which were brought after the discovery of Americas?

When the Americas were discovered many plants were brought back to Europe. For example: potato, tomato, strawberries, chilies etc. At the same time many animals were brought to the Americas including: ...
7
votes
1answer
118 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 ...
5
votes
1answer
111 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 ...
5
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0answers
48 views

Would this mushroom make the basil dangerous to eat? [closed]

My sister is growing basil in a planter on her balcony. Recently this big mushroom started growing there. Obviously we're not going to take a bite of the mushroom, but would its existence make the ...
4
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1answer
125 views

Are sizes of potatoes normally distributed?

I'm currently researching the variability of sizes of potatoes when all of the potatoes in question have been harvested from a single field. One question keeps coming up in my statistical analyses: ...
4
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0answers
55 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). ...
3
votes
2answers
75 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
votes
3answers
149 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.
2
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1answer
2k 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.)...
2
votes
1answer
133 views

Why is it common to grow microalgae in bottles or canisters?

I came across many people growing Chlorella or Spirulina types of microalgae, inside bottles or canisters and that that they also bubbled CO2 into these containers artificially. This question is ...
2
votes
1answer
102 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
votes
1answer
37 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 ...
2
votes
1answer
88 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 ...
2
votes
1answer
727 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 ...
2
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0answers
25 views

Why does Porous-tube Nutrient Delivery System cultivation improve nutritional quality of Okinawa spinach (Gyruna bicolor)?

I wrote a review paper and it involves in growth system of a plant “Okinawa Spinach (Gynura bicolor)”. A research of (Wang, Fu, & Liu, 2015) reported that Porous-tube Nutrient Delivery System (...
2
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0answers
22 views

Chemical inhibition of fertilization in plants

Are there any chemical compounds that inhibit fertilization in plants after gametogenesis? Simply put, I am talking about spermicide or emergency contraception for plants. Specifically, I am ...
2
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0answers
39 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
78 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 ...
2
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0answers
38 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
230 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 ...
2
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0answers
162 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
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0answers
287 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
1
vote
2answers
161 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 ...
1
vote
1answer
102 views

What kind of parasite is this?

I found this strange disease on the leaves of a pear tree. I don't know the tree's species but I found it in South Turkey, 150 km from the Mediterranean. What causes this disease?
1
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1answer
41 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 ...
1
vote
1answer
752 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, ...
1
vote
2answers
76 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? ...
1
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0answers
93 views

Plants with nutritional requirements similar to Cannabis

What are some short plants that preferably could be grown indoor which have similar nutritional requirements (in terms of N-P-K ratio, doses etc.) as Cannabis? The purpose of this is testing a mineral ...
1
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0answers
17 views

Optimal agriculture: maximum yield with minimum environmental impact

I read more and more stuff about alternative method of agriculture such as permaculture. Howerver, I'm not an ecologist or biologist so I don't know where to look for really good and serious articles /...
1
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0answers
11 views

Where to find data on different crops

Hello I'm not sure if this is the proper place for this question. If not, I am happy to move it. I'm trying to find a source of data on different crops, is there some governmental database that ...
1
vote
0answers
27 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 ...
1
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0answers
65 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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0answers
42 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 ...
1
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0answers
37 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 ...
1
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0answers
106 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 ...
1
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0answers
21 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)? ...
0
votes
1answer
66 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 ...
0
votes
1answer
61 views

Can we graft a tree with cells from the seed directly?

Are there any limitation to the grafting so we could only graft a branch to another tree? Could we just use cell from the seed, or just a sprout, to graft onto the tree of the same species?
0
votes
1answer
34 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 ...
0
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0answers
14 views

How does phloem give priority for sugar transport to certain fruits?

I have a question from curiosity as I am totally new to agriculture: When phloem transport sugars and proteins in plants from the leaves to the fruits, do the fruits that are nearer more leaves ...
0
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0answers
34 views

Why doesn't the soil get depleted after repeated clearing of vegetation?

In my neighborhood, there is a hillside owned and maintained by the local municipality. The hillside is generally overgrown with vegetation. Work crews clear out the vegetation multiple times ...
0
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1answer
396 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 ...
0
votes
1answer
298 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 ...
-1
votes
2answers
819 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 wire and in soil potato plant ...