Hydroponics: the Bengal system /
Douglas, James Sholto
Hydroponics: the Bengal system / Douglas, James Sholto - 5th ed. - xvi, 185 p. : ill. ; 19 cm.
Hydroponics.
631.585
Hydroponics: the Bengal system / Douglas, James Sholto - 5th ed. - xvi, 185 p. : ill. ; 19 cm.
Hydroponics.
631.585
