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Poor support : poverty in the American family

Tác giả: David T. Ellwood

Beyond welfare; Values and the helping conundrums; The transformation of America's;...

Environmental science : a global concern

Tác giả: William P Cunningham, Barbara Woodworth Saigo

Written for the introductory level course in Economic Botany, this long awaited revision offers more emphasis on key topics like biotechnology and ethnobotany.

Soil and water conservation for productivity and environmental protection

Tác giả: Frederick R Troeh, J Arthur Hobbs, Roy Luther Donahue

This book is an appropriate textbook for courses in soil and water conservation. It is also a valuable reference for professional conservationists, land managers, and environmental workers.

Stress responses in plants : adaptation and acclimation mechanisms

Tác giả: Ruth G Alscher, Jonathan R Cumming

Focuses on the various physiological, metabolic and molecular processes through which higher plants cope with dramatic changes in their ecosystems. Individual chapters deal with the organizational levels on which plants respond to different types of abiotic stress.

Standard cantilever retaining walls

Tác giả: Morton Newman

This book presents standard designs of structural elements slabs, beams, columns and foundations for low rise residential buildings such as bungalows, semi detached houses and link terrace houses in reinforced concrete construction. It serves as a design tool for preliminary frame scheming and ...