Bemærk: Kan ikke leveres før jul.
This book explains the causes of erosion, the theory and practice of soil and water conservation, practical and lasting ways to construct terraces, including such details as how to build different kinds of terrace walls.
Bemærk: Kan ikke leveres før jul.
This book looks at how soil develops, what makes fertile soil, and what spoils soil. Recognizing and treating mineral deficiencies, it presents the ways to improve soil texture and to improve the soil management.
Bemærk: Kan ikke leveres før jul.
This book explains the causes of erosion, the theory and practice of soil and water conservation, practical and lasting ways to construct terraces, including such details as how to build different kinds of terrace walls.
Bemærk: Kan ikke leveres før jul.
This book offers a positive response to the challenge to both conserve and improve the soil and water situation particularly on sloping lands. It explains how even apparently useless land can be brought into production using locally available resources.