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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0answers
37 views

Is there a way to calculate difference initial water content, from curve number method?

I want to calculate difference between initial water content of a soil given that its saturation water content can be found from its type. Is there a way to find initial water content of that soil ...
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0answers
43 views

What field data do I need for the Green-Ampt infiltration Model?

I want to estimate infiltration in a soil. What kind of parameters should I be measuring in the field?
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2answers
451 views

How to find molarity of a fertilizer?

I want to add nitrogen to my soil samples in a lab as fertilizer (ammonium nitrate). I need to add it equivalent of 50 kgN/ha. I have a clump of soil, that weighs 20g. What is the best way to convert ...
5
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2answers
198 views

Which crops are especially sensitive to atmospheric ozone?

In this National Park Service article, the effects of ozone on trees is discussed: Ozone enters plants through leaf openings called stomata and oxidizes plant tissue, causing changes in biochemical ...
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3answers
5k views

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

I must admit this is very confusing: one gets different types of information from different sources that often contradict one another. It is said that the main event occurred due to some misguided ...
2
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1answer
934 views

How does soil fertility differ between Scandinavia and Russia

How is climate and soil fertility different in Scandinavia comparing to Russian territory of 1500s? Did Scandinavia have more favorable climate and more of arable and higher yielding soil than Russia ...
9
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1answer
286 views

Was Russia's original territory unfavorable for agriculture?

How favourable were the soil and climate in Russia's landmass of the 1500s for growing crops in comparison with Northern European countries?
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3answers
613 views

Seeking details for the "historical rate" of arable land loss

In doing research on the issue of desertification (aka land degradation) I keep running across the same basic sentence but no source or detail to support or clarify it: "Arable land loss is ...
6
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1answer
641 views

Removing agricultural plastic film waste after 10+ years degradation [closed]

I am at a farm where previous tenants left a non-biodegradable plastic film roughly 10-15 years ago. It is inconsistently spread over a few acres and was not discovered until we attempted plowing the ...
11
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1answer
1k views

Did the Neolithic Revolution have an effect on the earth's climate?

I imagine that human agriculture had a major effect on the composition of flora across the planet's surface. Did the transition from gathering to growing have a measurable effect on climate? If so, ...
3
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1answer
155 views

How significant is organic cotton agriculture to the USA's total global ecological footprint?

The ecological footprint of a human activity can be measured in global hectares (gha). Cotton's ecological footprint to produce one ton of product ranges from 2.17 gha for organic cotton to 3.57 gha ...

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