The phrase "a source of organic" is correct and usable in written English.
It can be used when referring to something that provides or produces organic materials or substances, often in the context of food, farming, or natural resources.
Example: "The farm is known as a source of organic vegetables, supplying local markets with fresh produce."
Alternatives: "provider of organic" or "supplier of organic".
This means Gale must show evidence for the past presence of water, a source of energy with which life forms could have metabolised, and a source of organic compounds with which organisms could have built their structures.
If the homology is related to function, it may indicate that these organisms also demand the consumption of NEAA to constitute a source of organic nitrogen.
Aqueous-phase reactive uptake of dicarbonyls as a source of organic aerosol over eastern North America.
Everyone agrees that the origin of life required a source of organic compounds, but no one really knows what the primary source might have been.
One such passive system, which utilized a floating root mass as a source of organic carbon, is described.
Aquaculture operations, a growing segment of the food supply, are a source of organic matter, nutrients, and antibiotics to waters.
Amino acids are released from tholins on acid hydrolysis (Khare et al. 1986); tholins could thus also be a source of organics.
Dall'Osto, M. et al. Antarctic sea ice region as a source of biogenic organic nitrogen in aerosols.
Fortunately, it attracted the attention of chemists as a source of new organic compounds, isolable by distillation.
Thus, in order to activate microbial populations in reclaimed mine soils, a source of labile organic compounds should be included in the management plan of the area.
To survive, however, the microbes would need to be shielded from the harsh ultraviolet radiation that continually blasts the surface of Mars, as well as have access to a source of water, organic carbon and nitrogen.
