Questions tagged [agriculture]

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1answer
64 views

Is it true that cannabis is not a sustainable recreational drug?

Is it true that cannabis is not sustainable, for example because of high water consumption? If so, what are more environmentally friendly alternatives? Magic mushrooms, maybe?
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2answers
60 views

Is advocating against genetically modified seeds anti-science?

Greenpeace is against GMOs, but some argue that it helped alleviate the hunger problem in developed countries through improved yields. Is advocating against genetically modified seeds anti-science? Is ...
2
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1answer
43 views

What is blue, green, and grey water?

What is blue, green, and grey water (example)? Is green water only rainwater? I came across words like "mostly rain", "predominantly rain", etc., so it's not only rain, is it? And ...
6
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1answer
184 views

Is being a vegetarian really environmentally friendly?

Livestock and manure produce 5,8% of global GHG. But releases from agricultural soils (N2O), crop residue burning, and rice cultivation (all are associated with plant farming) generate 8,9%. So is ...
6
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1answer
164 views

How can a purely vegan diet be the most sustainable?

There seems to be a growing consensus, that the vegan diet is the most sustainable for our environment on multiple levels, such as land use, water use and CO2. There is some debate about whether ...
4
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1answer
111 views

Are soybeans mainly grown for animal feed or oil production?

In the great vegan vs. non-vegan environmental debate a big point of contention is the topic of animal feed. Vegans argue that a large percentage of agriculture should be attributed to cattle farming. ...
3
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1answer
76 views

Why western countries do not heavily tax beef imports?

I hear that Brazil slowly but surely burns the Amazonian forests (apparently already payed for by western countries) to make room for cows and supported cultures like soybean. This is obviously bad ...
5
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2answers
4k views

What are examples of perennial crops?

I just read this fascinating article on kernza, an alternative to wheat that is a perennial, rather than annual, crop. From the article, "Can This Breakfast Cereal Help Save The Planet?", this is ...
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0answers
35 views

What are the root and aboveground dimensions of a cotton plant at its largest? [closed]

I'm experimenting with optimal cotton growing techniques using the least amount of water required and plan on growing a cotton plant in simulated field conditions. That said, I need a large enough ...
3
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1answer
106 views

Roughly, how much water does it take to grow 50 lbs of fodder for most dairy cows in the US?

I'm looking for a ballpark number. Obviously fodder can include more than just one crop (e.g., barley/corn or hay/straw), and that's why I am having trouble finding a figure. Aside, I found that an ...
6
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1answer
68 views

UK - would there be any problem with keeping bees on a plot if the neighbours have horses

I am looking to get into beekeeping. I have a plot of land ~20x50m that I would like to put some hives on. There are multiple nearby fields with horses - minimum distance ~ 50m to nearest such field. ...
5
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2answers
717 views

Carbon footprint of soy milk versus cow's milk

I am wondering about a specific carbon footprint comparison (i.e. total global warming potential per litre) between soy milk and cow's milk. This would of course depend on where and how they are ...
3
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2answers
56 views

How do greenhouses affect pesticide use?

Is the environmental impact of pesticide use on greenhouse crops substantially different from the impact of pesticide use in open-air crops? I imagine that, at least in theory, a greenhouse should ...
3
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3answers
581 views

Can grass clippings be used for livestock feed?

I was at a university agricultural research farm and I noticed that sheep had maintained grass height on a pasture to less than 1 inch. I asked the person in charge if they used a lawn mower and he ...
5
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3answers
103 views

How much of dropped fruit is wasted? How much could be consumed, ideally?

Fruit might be dropped due to many reasons including premature fruit drop and disease. I wonder how much fruit goes to waste which could otherwise be picked and consumed. Are there any statistics ...
11
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3answers
371 views

Is there a sustainable agriculture certification that sees GMOs as potentially beneficial?

I keep dreaming of a certification body that has stringent and ever-evolving standards for a sustainable agriculture that looks after the environment and humans, with a rigorous but open mind when it ...
6
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2answers
93 views

Improving heirloom crops by selection (legumes, grains)

Short version I want to know of methods (and devices) of selecting the biggest/heaviest bean and grain seeds from my garden, to re-sow the next season. I would like to hear from people that have done ...