The phrase "a source of straw" is correct and usable in written English.
It can be used when referring to a place or means of obtaining straw, which is often used for bedding, animal feed, or as a material in various applications.
Example: "The farm serves as a source of straw for local businesses that require it for their operations."
Alternatives: "a provider of straw" or "a supplier of straw".
For cultivation in a medium containing xylan from oat spelts (Sigma), Avicel PH-101 (Sigma-Aldrich) or rice straw as a carbon source, the mycelia grown in the BCM-S were exhaustively washed with sterile distilled water and then transferred into yeast-free BCM and containing 1 % oat spelts xylan, 1 % Avicel PH-101 (a source of cellulose), or 1%% rice straw as a carbon source for 16 h.
The method was also evaluated for detecting hydrolytic activity on biomass-derived substrates, that is, wheat straw as a source of cellulose and shrimp shells as a source of chitin.
Recently, important developments have paved the way for the use of plant biomass (e.g. wheat straw) as a source of sugars, which in turn are useful for the production of bioethanol, plastics and pharmaceutical chemical intermediates [ 1].
THE REAL STRAW MAN We know the technique; but what's the source of straw man?
The absence of cereal straw was a source of stress for the lambs, which affected their behavior during fattening.
In 1985 she moved to Hong Kong and, with $4,000 in savings, set up a company importing waste paper, an alternative to the usual rice straw, as a source of fiber.
The use of lignocellulosic waste materials such as straw as a source of glucose for microbial fermentation into bioethanol is of much interest as it negates the food versus fuel issue [ 3], and it has been estimated that 419 billion litres of bioethanol could be produced each year from crop wastage [ 4].
This link may be an important consideration for barley and oat straw which, in the UK, are added as a source of roughage in livestock feed, but wheat-straw has less feed-value in this regard (Copeland and Turley, 2008).
It is also found that straw biomass can economically compete with coal as a source of thermal energy in tea drying and contribute to the farmers earning from otherwise waste straw, if coal equivalent price is fixed for straw.
Although the technology for rice husk utilization is well-established worldwide, rice straw is sparingly used as a source of renewable energy [ 12, 13].
