Air pollution harmful to man but may help increase crop yield.

Air pollution harmful to man but may help increase crop yield.

Sonraí bibleagrafaíochta
Foilsithe in:Philippine Daily Inquirer (11 Oct. 1990), 18
Príomhchruthaitheoir: Pinca, Ric M.
Formáid: Alt
Teanga:English
Foilsithe / Cruthaithe: 1990
Ábhair:
Air pollution > Effect on plants