Non-arable land - Definition, Glossary, Details - Oilgae
Non-Arable Land: Land which
is unsuitable for arable farming usually has at least one of the following
deficiencies: no source of fresh water; too hot (desert); too cold (Arctic);
too rocky; too mountainous; too salty; too rainy; too snowy; too polluted; or
too nutrient poor. Clouds may block the sunlight plants need for photosynthesis
(making sunlight into food), reducing productivity.