Questions tagged [agriculture]

The cultivation of food and materials, specifically from or derived from plants and animals using traditional or modern industrial practices.

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Would the Climate change in Southern Africa by Filling Lake Makgadikgadi Evaporation Pans with water from the Zambezi and Chobe Rivers?

I have Macro question, and have enquired and discussed this topic with numerous people. My background is more in Economics and Finance, and read a very interesting article if I am not mistaken 10-15 ...
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1 vote
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Precision Agriculture using IOT System [closed]

Before asking my agriculture related question I would like to give some context being from an engineering background . Today Internet of Things (IOT) and Embedded firmware/hardware modules ...
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4 votes
1 answer
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Minimum temperature in Growing Degree Day (GDD) - from daytime or from the whole day?

I want to calculate growing degree days. I have hourly data of temperature between the hours of 00:00 and 23:59. I want to calculate the growing degree days and I saw that I need the minimum,maximum ...
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Did people in ancient times know of the influence that light availability had on olive fruit development & oil accumulation?

According to a trial, Olives grown under well lit conditions, with respect to those grown at low light intensity, were heavier, had a higher percentage of oil and a lower water content. https://www....
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4 votes
1 answer
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How to measure Air CO2 Cheaply for a School Science Experiment

I'm helping my daughter with a science experiment for school to show the effect of CO2 enrichment on plant growth. We have two small tabletop greenhouses with approximately 10 Liter volume and we're ...
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4 votes
2 answers
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How does manure & other organic matter improve soil structure?

How does manure & other organic matter improve soil structure? Based on my understanding, soil structure refers to the arrangement of the aggregates within the soil; a good soil structure prevents ...
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What crops benefit the most from AgTech and particularly soil monitoring?

I am trying to understand the benefits of AgTech for different crops, and particularly IoT-based solutions like soil sensors (humidity, temperature, NPK). What are the crops that are benefitting the ...
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1 answer
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How many people could be fed in this world? [closed]

I have heard in the radio in one discussion between an executor and economist that: The world of a humans have technology with the ability to feed 200 billion of its kind but the existence of 2 ...
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7 votes
2 answers
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What would be the effects of a large forest fire on soil in other places?

Say a large forest fire took place. As I understand it, the smoke and ash would ride the wind and could be a health hazard even to people that are quite far away. My question is will it damage the ...
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How to interpret land use measures in environmental impact papers?

In reading some papers about the environmental impact of agricultural products such as crops and animal rearing, I am puzzled by the way land use is reported. I understand that inputs such as energy, ...
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1 answer
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What qualities of a crop are measured?

The kind of crop I am interested in measuring is the cabbage. I am currently in the midst of doing an academic research entitled "An Experimental Quantitative Study on Crops' Growth on Natural vs ...
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3 votes
1 answer
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How exactly is cotton production linked to salinization of potable water?

The Aral Sea region has a problem with salinization of soils and drinking water, e.g. water coming from wells. As I understand it, it's caused by unsustainable cotton farming, but what is the exact ...
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6 votes
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Why did the Tigris and Euphrates but not the Nile river basins experience desertification?

The sites of ancient Mesopotamian civilizations tend to be very dry, unlike those of ancient Egypt. Looking at the areas via online maps also shows, that while the Nile river basin remains very green, ...
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What does DHW (Degree hours (base 0 C) when W= 1 ) mean?

I am reading a paper on A-Scab simulation model and there I saw an equation given in the picture I am confused what does wetness (W) mean, as in is it a meteorological variable ?? Or does it mean ...
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1 vote
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DSWI brief description

What is the brief description of Disease Stress Water Index (DSWI)? According to the link, it has been defined as to detect water-stressed crops at a canopy level. I am looking for a bit more ...
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4 votes
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Do long-term anaerobic conditions caused by flood-irrigation lead to irreversible soil degradation?

In fields that have been cultivated with rice, frequent flood irrigation can lead to soil degradation. When this type of cultivation has been implemented for several decades, will the soil suffer from ...
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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 ?
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4 votes
1 answer
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Why are mixed crops cultivated in high latitude coastal environments?

I just came across an interesting article which discusses a form of agriculture the authors call 'forest gardens': https://nationalpost.com/news/canada/ancient-indigenous-forest-gardens-still-yield-...
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Yellow and brown spots on leaf tip

On a barley farm, there are yellow and brown spots on leaf tips. Possible causes: Some kind of parasite Weather condition Bad seed Looks like some farms using the same seed are affected What might ...
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3 votes
1 answer
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Free periodical satellite/aerial imagery

There is a company called Planet Labs which sells daily satellite imagery covering the whole globe that can be used for various research like agriculture, forestry etc. I wonder if there is a free ...
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1 answer
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Can small-scale backyard gardening produce more food per acre than broadscale [grain] farming?

Mark Shepard in his book "Restoration Agriculture" proclaims [...] small-scale backyard gardening which has shown in study after study to produce more food per acre than broadscale grain ...
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How to efficiently estimate merchentable volume for timber inventory using species, DBH, and merchentable heights?

I am trying to estimate wood volume for forest stands I have field-inventoried using a variable plot sample method, measuring species, DBH, and height of each tree counted 'in' using a BAF-10 prism. ...
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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 ...
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Where can I find canopy reflectance data for crops (soybean in particular) for different dates across the growing season

I have been trying to find literature values for reflectance of soybean for different dates along the growing season (I am specifically interested in 30, 60 and ~120 days after planting - so the V3/V4 ...
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1 answer
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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 ...
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4 votes
1 answer
129 views

How does the act of producing animal feed from the leftovers of a process result in a negative carbon footprint? [closed]

According to this source, it is claimed that (emphasis is mine) At Arbikie Distillery in Angus, scientists claim to have developed the world's first "climate positive" gin. By using garden ...
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What is real impact of Precision Agriculture? [closed]

I am just wondering what is the real impact of Precision agriculture. I came across Airbus Intelligence and their Earth Observation services (Agriculture, forestry, environment) - It seems nice and ...
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1 vote
0 answers
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Are laying hens used as multiplication units? [closed]

In Diagram 1 of the following "https://www.ciwf.org.uk/media/5235024/The-life-of-laying-hens.pdf", it explains how laying hens are produced. Realistically I imagine it's more complex than this simple ...
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0 votes
1 answer
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In the USA, are pesticides regulated differently for animal vs human consumption? [closed]

I'm looking into growing edible oyster mushrooms. I'm considering using whole-oat horse feed in the growing process. I realize that additional steps are taken to ensure food is fit for human ...
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Does a greenhouse need to be built on agricultural land? [closed]

Is it possible to build a climate-controlled greenhouse just about anywhere assuming that it contains soil-beds, a light-controlled , temperature-controlled and moisture-controlled environment and ...
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Why do wettable sulphur manufacturers say never to use it within 30 days of an oil-based spray? [closed]

And further: 1) what qualifies as an "oil-based spray" and at what amount? 2) does this warning still apply during the rainy season-- when the need for quick cycles of medicines is necessary? (and ...
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1 vote
2 answers
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What data of agricultural yield to use for India?

I am trying to understand the role of various meteorological factors on agricultural yield over India. Is there a dataset available directly or an indirect proxy of agricultural data, maybe satellite, ...
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12 votes
6 answers
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How are hillsides farmed?

I would assume hilly land is more labor-intensive to farm than flat land, and more exhausting to humans and animals if traditional farming techniques are used. How do farmers plant and plow on ...
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1 vote
0 answers
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How to keep sheep from eating cows grain? [closed]

I have 2 cows that go up to a shed and eat grain that I put out every morning, and I also have 5 sheep in the same pasture, that want to eat the grain, so they usually push the cows out of the way, ...
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4 votes
2 answers
59 views

Effect of organic matter on salinity

Organic manure is used in agriculture around the globe. I am interested in how does organic matter affect the salinity of soil? Does it increases, increases or remains unaffected? and is there a study ...
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5 votes
2 answers
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How does agriculture release so much greenhouse gas?

I recently came over some numbers of GHGs released per energy in food produced, and the result is pretty flooring. I can see how animal-based food production is quite inefficient so let's ignore that ...
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What's a Good Soil Quality Index for Plowed Farm Lands?

I'm currently conducting research using Satellite/Weather/Soil (Mostly Sentinel-2 Satellite Imagery) Data to Model Smallholder Farms and their dynamics before Planting. Key to my progress is to find ...
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3 votes
1 answer
107 views

Is there major potential for vertical farming?

You can take up way less square footage for the same amount of production You can eliminate the need for pesticides You can power the farms from renewable energy You can significantly increase growing ...
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How strong wind is needed for crop lodging?

I'm making a science project to protect the crops from wind lodging by placing some shields beside the field only when needed (wind have beneficial effects on crops). I want to use some sensors like ...
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4 votes
1 answer
267 views

How can agricultural ammonia lead to PM2.5 production in the atmosphere?

The NPR News article Growing Corn Is A Major Contributor To Air Pollution, Study Finds talks about all sources of pollution associated with growing corn, and it singles out the application of ammonia ...
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3 votes
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Any appreciable differences in microclimate on the shores of small mountain streams?

I have land in India (the tropics), in the hills, on a slope from 6800 feet - 5200 ft altitude (roughly). At that lowest point there's a stream of about 10-15m across. On one side is our land, on the ...
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3 votes
0 answers
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What are the main obstacles facing large-scale underwater farming? [closed]

Recently I read about OceanReef's Nemo's garden, which is growing terrestrial plants underwater inside a dome on the seefloor. I did not found any other company doing it. If it is that good as it is ...
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2 votes
1 answer
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Which crop is this?

Can anyone tell me which crop is this. Clicked in France in Aug!
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Agricultural self sufficiency after yellowstone eruption?

Given a 440 acre farm running roughly 200 acres of Crops and 40-50 head of cattle,in the secondary ash zone within the lake of the ozarks reigon of Missouri, how viable would survival be relying on ...
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3 votes
2 answers
199 views

What kind of climate could you expect in a mountainous area in a subtropical region?

More specifically, I'm trying to work out climate analogues for my farm. It's at 5200-6200ft in South India. My area is a bit too small for the Köppen Map to correctly reveal patterns. I'll be ...
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0 votes
1 answer
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How much excess water prevents planting of a crop

It's a generic question but was wondering if there is a threshold level of soil water beyond which planting a crop (for e.g. soybean) can be hindered because the soil is too wet or flooded. As a ...
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1 vote
1 answer
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Agricultural non point source of pollution (AGNPS) model input data

How to input climate data for AGNPS model? AGNPS model is developed USDA https://www.nrcs.usda.gov/wps/portal/nrcs/detailfull/null/?cid=stelprdb1042468
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2 answers
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Is it possible to set up a farm starting with processed foods? [closed]

Given a bare but not sterile environment and the sorts of supplies one would have access to in a well-stocked cafeteria or a bad grocery store, is it possible to start growing food? Assume frozen, ...
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2 votes
1 answer
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How much does the productivity of modern agriculture depend on Glyphosate?

Glyphosate is the most important herbicide in agriculture by quantity. A committee of the European Union just recently voted against a ban of the substance, after much debate around possible negative ...
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1 vote
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Books about industrial medical and culinary herb growing [closed]

I planning to start my own medical/culinary growing farm somewhere in the not too far future. I'm on a training at the moment on this subject (I'll get a mid-level exam paper about it that I can use ...
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