Handbook of Fertilizers - Their Sources, Make-Up, Effects, a ...

A. F. Gustafson

• 31 mei 2013
• 9781473384521

Samenvatting:

Successful and present-day farming and gardening require careful study, full information, and keen judgement at every point. This book is an attempt to supply accurate, up-to-date information as to the source and make-up of commercial fertilizers. Contains in depth look into the effects of fertilizers on sols and crops in the hope of aiding the user to make wise choices for his individual soil and cropping conditions. Illustrated.