1.

Record Nr.

UNINA9910822905603321

Autore

Voisin André <1903-1964.>

Titolo

Grass productivity / / André Voisin ; translated from the French by Catherine T.M. Herriot

Pubbl/distr/stampa

Washington, D.C. : , : Island Press, , 1988

©1959

ISBN

1-61091-273-X

Descrizione fisica

1 online resource (xvii, 353 pages) : illustrations

Collana

Conservation classics

Disciplina

636.2

Soggetti

Pastures - Management

Grazing - Management

Dairy cattle - Feeding and feeds

Grasses

Agricultural productivity

Lingua di pubblicazione

Inglese

Formato

Materiale a stampa

Livello bibliografico

Monografia

Note generali

Translation of: Productivité de l'herbe.

Reprint. Originally published: New York : Philosophical Library, 1959.

Nota di bibliografia

Includes bibliographical references and index.

Nota di contenuto

""Title Page""; ""Copyright Page""; ""Foreword""; ""Table of Contents""; ""Note: Conversion from Metric to British Units""; ""Introduction to the Island Press Edition ""; ""Introduction""; ""Part One: The Grass ""; ""1. What is a Herbage Plant?""; ""2. The Curve of Grass Growth""; ""3. Rest Period and Annual Production of Grass""; ""4. Seasonal Fluctuations in Grass Growth""; ""5. Influence of Fertilisers on the Vigour of Growth and on the Production of Grass""; ""6. An Immense Army of Lilliputian Ploughmen Bury the Phospho-Potassic Fertilisers Applied to the Pasture""

""7. White Clover, a Factory for Free Nitrogen Production""""8. At What Height Should Grass be Grazed?""; ""9. The Composition of Grass""; ""Part Two: The Cow ""; ""1. How the Cow Harvests the Grass""; ""Photo Inserts 1-7""; ""2. The Quantities of Grass Harvested by the Cow""; ""3. Quantities of Milk Produced by the Cow When She Harvests Her Own Grass""; ""4. The Cow is a Gourmet""; ""5. Conversion of Nitrogenous Substances in the Stomach of the Cow""; ""6. Grass Tetany""; ""Part Three: Laws of Rational Grazing ""; ""Requirements of the Grass and of



the Cow""

""Part Four: Principles for the Conduct of Rational Grazing """"1. Definition of the Basic Elements""; ""2. Determination of the Number of Paddocks is the Basis of the Rational Grazing Plan""; ""3. Division of the Herd into Groups""; ""4. Compensation for Seasonal Fluctuations in Grass Growth""; ""5. Compensation for Seasonal Fluctuations in Grassland Production by Varying the Number of Paddocks in the Rota ""; ""Photo Inserts 8-10""; ""6. Compensation for Seasonal Fluctuations in Grassland Productivity by Application of Nitrogen ""

""Part Seven: Tethering and Rationed Grazing, Special Systems of Rational Grazing """"1. Tether Grazing""; ""Photo Inserts 16-18""; ""2. Different Forms of Rationed Grazing""; ""3. Does Rationed Grazing Produce 25% More Than Rotation?""; ""4. Rational Grazing Allowing a Variable Grazing Area but no Area of Pasture that has Already Been Grazed (One Group Only)""; ""5. Rationed Grazing Where the Animals Have Access to an Area That has Already been Grazed (One Group Only)""; ""6. Rationed Grazing with Two Groups""; ""Photo Inserts 19-22""; ""7 Grazing Rationed in Time"" ""Part Eight: Division of Pastures ""

Sommario/riassunto

Grass Productivity is a prodigiously documented textbook of scientific information concerning every aspect of management "where the cow and grass meet." Andre Voisin's "rational grazing" method maximizes productivity in both grass and cattle operations.