polysaccharide: starch. Storage form of carbohydrate in plants, plants use for energy Mainly in seeds, roots, and tubers-similar in structure to glycogen but fewer branches-potatoes and grains are major sources of starch.
Wiktionary (0.00 / 0 votes) Rate this definition: dustbowl (Noun) An area which abounds in dust and which is very dry. dustbowl (Noun) The central region of the United States during the 1930s. dustbowl (Noun) The 1930s period.
exists and is an alternate of . The main causes of the dust bowl were extreme drought for eight years in total, and also very poor farming techniques on the behalf of the inhabitants. Normally crops are rotated (different crops are grown in an area each year or sometimes no crops at all) so as to never deplete soil too much.