Ecological crop geography / Karl H.W. Klages.

By: Publication details: New York : Macmillan, 1942.Description: xviii, 615 p. : ill. ; 25 cmSubject(s): DDC classification:
  • 630.2815 20 KLA
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Book Open Access Book Open Access Agriculture and Animal Sciences Library 630.2815 KLA 1 (Browse shelf(Opens below)) 1 Available 0028433
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630.25148 ROL 1 The Role of water in agriculture : based on papers and discussions at a symposium held at the Welsh Plant Breeding Station near Aberystwyth on March 19th, 1969 / 630.2516913 GRE 1 Handbook for rural science teachers in tropical areas / 630.2745 AZZ 1 Agricultural ecology / Girolamo Azzi 630.2815 KLA 1 Ecological crop geography / 630.3 BAI 1 The standard cyclopedia of horticulture : a discussion, for the amateur, and the professional and commercial grower, of the kinds, characteristics and methods of cultivation of the species of plants grown in the regions of the United States and Canada for ornament, for fancy, for fruit and for vegetables; with keys to the natural families and genera, descriptions of the horticultural capabilities of the states and provinces and dependent islands, and sketches of eminent horticulturists / 630.3 BAI 2 The standard cyclopedia of horticulture : a discussion, for the amateur, and the professional and commercial grower, of the kinds, characteristics and methods of cultivation of the species of plants grown in the regions of the United States and Canada for ornament, for fancy, for fruit and for vegetables; with keys to the natural families and genera, descriptions of the horticultural capabilities of the states and provinces and dependent islands, and sketches of eminent horticulturists / 630.3 BAI 3 The standard cyclopedia of horticulture : a discussion, for the amateur, and the professional and commercial grower, of the kinds, characteristics and methods of cultivation of the species of plants grown in the regions of the United States and Canada for ornament, for fancy, for fruit and for vegetables; with keys to the natural families and genera, descriptions of the horticultural capabilities of the states and provinces and dependent islands, and sketches of eminent horticulturists /

CONTENTS

PART I : THE SOCIAL ENVIRONMENT OF CROP PLANTS
The scope of ecological crop geography
The historical background to agricultural production
Population in relation to agricultural development
Factors determining world centers of population and agricultural production
The social environment

PART II : THE PHYSIOLOGICAL ENVIRONMNET OF CROP PLANTS
The physiological environment
External factors in relation to development
Physiological limits
Crop yields and variability in relation to the ecological optimum
Adaptation

PART III : THE ECOLOGICAL FACTORS
General aspects of moisture relationships
Quantitative aspects of moisture relationships
Humidity provinces
The use of water by plants
Special responses of crop plants to the moisture factor
Temperature
Temperature efficiencies and bioclimatics in relation to crop distribution
Light
Air Movement
Classification of climate
Edaphic and physiographic factors

PART IV : THE GEOGRAPHICAL DISTRIBUTION OF CROP PLANTS
The small grain crops
The coarse cereals
Edible legumes
Potatoes, sweet potatoes, yams and other root crops
Sugar
Oil producing crops
Fiber crops
Annual leguminous forage crops
Biennial and perennial leguminous forage crops
Perennial forage grasses
Miscellaneous crops

Includes bibliographies.

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