Agriculture, the only right approach
Agriculture, the only right approach: science says there is a difference
by P. H. Hainsworth
Publisher: Pauma Valley, Calif. : B. and G. Rateaver, 1976.
ISBN: 0960069852
DDC: 631.58
LCC: S605.5
Organic small farming
Organic small farming: the exciting story of scientifically controlled methods used on Pucketty Farm
by Hugh Corley
Publisher: Pauma Valley, Calif. : B. and G. Rateaver, 1975.
ISBN: 0960069844
DDC: 631.58094229
LCC: S605.5