Hydroponics
Douglas, J. Sholto
Hydroponics The Bengal System with notes other methods of soilless cultivation - 5 - London Oxford University Press 1959 - 185
Agriculture and related technologies
Technology (Applied sciences)
Hydroponics
631.585 / D66H
Hydroponics The Bengal System with notes other methods of soilless cultivation - 5 - London Oxford University Press 1959 - 185
Agriculture and related technologies
Technology (Applied sciences)
Hydroponics
631.585 / D66H