21 votes

How are hillsides farmed?

The way hillsides are farmed generally depends on the steepness of the hillside. Gentle slopes can be farmed the same way flat land is farmed. Steeper slops require the hillside to be divided into ...
Fred's user avatar
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13 votes
Accepted

How are hillsides farmed?

Terrace farming is widespread in the Orient but it is backbreakingly labour intensive. In UK we don't do it, partly because we don't grow our own rice. Depending on how steep the hill is, we either ...
Michael Walsby's user avatar
7 votes

How are hillsides farmed?

It entirely depends on what crops you're farming. Note for example how many vineyards (especially European ones, from my observation) are located on steep hillsides. In other places, such as the US ...
jamesqf's user avatar
  • 1,758
7 votes

How are hillsides farmed?

Some people use swales on hillsides for farming. Swales are basically a trench that runs along contour lines of a slope and is used to slow water runoff and increase infiltration into the ground. They'...
Imdamachine's user avatar
7 votes
Accepted

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

Acid/Base Chemistry Gaseous ammonia (NH$_3$) acts as a base when it dissolves in water. The reactions are below. NH$_3$(g) + H$_2$O(l) $\rightleftharpoons$ NH$_3$(aq) NH$_3$(aq) + H$_3$O$^+$(aq) $\...
daniel.heydebreck's user avatar
6 votes

Which crops are especially sensitive to atmospheric ozone?

I could find a relatively recent review by Mills et al. (2007) that lists sensitivity to ozone for several crops. Among the most sensitive were (table 1) Watermelons (albeit with very few data points ...
Christoph's user avatar
  • 994
4 votes

Which greenhouse gas does the most damage to crops?

Tropospheric ozone is a significant greenhouse gas (see e.g. IPCC AR4) and has well established negative effects on crop yields. For example, Van Dingen et al (2009) evaluated yield losses of up to ...
jvir's user avatar
  • 391
4 votes

Did the Haber-Bosch process enable the population explosion?

There are a number of factors that went/are going into the population explosion, food is only one vaccination and antibiotics are a big factor as well. within food fertilizer is again only one of ...
John's user avatar
  • 6,891
4 votes

Does the diameter of the earth decrease because of soil subsiding due to irrigation and rainfall over the years?

Disclaimer: this is probably TLWR, but you can absolutely apply some physical reasoning to arrive at the answer. Changes in surface height of the earth are governed by the conservation of mass, i.e. ...
Z W's user avatar
  • 432
4 votes

Is it true that aquaponics yield crops with a lower nutritional value than soil-agriculture?

First look at the article, is cites no sources and is not written by an an expert. It is written without peer review and does not seem to understand how to measure nutritional content (brix is only a ...
John's user avatar
  • 6,891
4 votes

Will global warming lead to agriculture in the Arctic?

The agricultural regions of Canada: are located on suitable soil types: Much of the unfarmed area is the Canadian Shield (shades of red below): The current surface expression of the Shield is one ...
Keith McClary's user avatar
4 votes

How are hillsides farmed?

How do farmers plow on uneven terrain? Simple answer - they don't. if traditional farming techniques are used. Traditional for who? In rice farming areas, the tradition is terraces and paddies. ...
Graham's user avatar
  • 437
4 votes

What data of agricultural yield to use for India?

In case you cannot access official local data, I recommend the use of the IFPRI resource MapSPAM2010. Quoting the description of the dataset: Using a variety of inputs, IFPRI's Spatial Production ...
Nemesi's user avatar
  • 1,268
3 votes
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How to find molarity of a fertilizer?

You probably mean 50kgN/ha, which sounds like a plausible number for fertilizer application. I don't know what you are doing exactly, but you need to know how much surface area your soil sample ...
mart's user avatar
  • 1,244
3 votes

Which greenhouse gas does the most damage to crops?

Quantitatively hydrogen fluoride is insignificant, except when it is emitted from volcanic sources, in which case it is extremely toxic to crops - far more than any other natural gas. Possibly the ...
Gordon Stanger's user avatar
3 votes

Which greenhouse gas does the most damage to crops?

To add to Trevor's answer, FACE experiments have shown that elevated CO2 can affect grain quality and the food product. For example bread made with wheat flour grown under elevated CO2 doesn't rise ...
haresfur's user avatar
  • 4,419
3 votes

Can we store maize along with husk and kernal?

For the (1) you can store your whole maize for 8 - 12 years or 18 - 36 months if the maize is ground or chopped. Moreover the less moisture the maize has the more it can be stored. If you want to ...
geokord's user avatar
  • 31
3 votes
Accepted

Why are mixed crops cultivated in high latitude coastal environments?

It is called Companion planting, and it is actually fairly common with hand tended fields. It does not work well with mechanized agriculture which is why you don't see it much in large scale farming. ...
John's user avatar
  • 6,891
3 votes

What would be the effects of a large forest fire on soil in other places?

Falling ash is usually not a concern for agriculture. But the particulate matter (smoke) can harm agricultural products. Not through the soil, but by exposing the plants to smoke over long periods. ...
f.thorpe's user avatar
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3 votes

What would be the effects of a large forest fire on soil in other places?

After Saint Helens, forest managers thought to harvest timber in the area and replant it because they assumed nothing would ever grow again. Instead they left it alone and the eruption epicenter is ...
LazyReader's user avatar
3 votes
Accepted

What does "permanent field" mean in agriculture?

I am not familiar with the term burn-beating, but from the description provided by Arvo M. Soininen, "Burn-beating as the technical basis of colonisation in Finland in the 16th and 17th centuries&...
njuffa's user avatar
  • 558
3 votes

Is 1 inch of rain in an hour enough to damage growing crops?

Just one inch of rain in one hour, and that's it, or an inch of rain per hour that is sustained over multiple days? Keep in mind that rainfall rates of over an inch of rain per minute have been ...
David Hammen's user avatar
  • 23.6k
2 votes

Which greenhouse gas does the most damage to crops?

Specifically looking at carbon dioxide, there's been a series of field experiments that involve artificially raising the local CO2 levels for different plant ...
Trevor J. Smith's user avatar
2 votes

The Dust Bowl: how's the recovery of all that topsoil going?

There's No way to ascertain the level of soil reclamation since the 1930's the Soil Conservation service keeps track which I assume you can learn online if they have their data. Agronomic libraries ...
LazyReader's user avatar
2 votes

Lack of annual slash-and-burn in North America?

Slash and burn has been used in North America and still is at times. I see regular field burning near me where fields are particularly rocky and tilling if impractical for the crops grown. It also ...
dlb's user avatar
  • 626
2 votes

Did the Haber-Bosch process enable the population explosion?

There are several aspects to be considered in this apparent difference. First, your quote from Wikipedia describes the change in productivity but does not account for other factors that have lead to ...
haresfur's user avatar
  • 4,419
2 votes
Accepted

Which crop is this?

It looks like cannabis. Mature cannabis plants are are tall & "skinny", like the ones in the picture. Also, the density of plants, per unit area of land, suggests it's a plantation crop, quite ...
Fred's user avatar
  • 24.7k
2 votes

How does agriculture release so much greenhouse gas?

There are several contributing factors, livestock, Livestock is easy animals produce co2 but their methane is a bigger problem, methane is a better greenhouse gas than the co2 that the feed plants ...
John's user avatar
  • 6,891

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