Inorganic Plant Poisons and Stimulants
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English
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INORGANIC PLANT POISONS AND STIMULANTS
PREFACE
CONTENTS
LIST OF ILLUSTRATIONS
CHAPTER I INTRODUCTION
CHAPTER II METHODS OF WORKING
I. Discussion of Methods.
1. Water cultures.
2. Sand cultures.
3. Soil cultures in pots.
4. Field experiments.
1. Water cultures.
2. Sand cultures.
3. Soil cultures in pots.
4. Field experiments.
II. Details of Methods.
CHAPTER III EFFECT OF COPPER COMPOUNDS
I. Presence of Copper in Plants.
II. Effect of Copper on the Growth of Higher Plants.
1. Toxic effect.
2. Effect of copper on germination.
3. Does copper stimulate higher plants?
4. Action of copper on organs other than roots.
1. Toxic effect.
2. Effect of copper on germination.
3. Does copper stimulate higher plants?
4. Action of copper on organs other than roots.
III. Effect of Copper on Certain of the Lower Plants.
Conclusion.
CHAPTER IV EFFECT OF ZINC COMPOUNDS
I. Presence of Zinc in Plants.
II. Effect of Zinc on the Growth of Higher Plants.
1. Toxic effect.
2. Effect of zinc compounds on germination.
3. Stimulation induced by zinc compounds.
4. Direct action of zinc salts on leaves.
1. Toxic effect.
2. Effect of zinc compounds on germination.
3. Stimulation induced by zinc compounds.
4. Direct action of zinc salts on leaves.
III. Effect of Zinc on Certain of the Lower Plants.
Conclusion.
CHAPTER V EFFECT OF ARSENIC COMPOUNDS
I. Presence of Arsenic in Plants.
II. Effect of Arsenic on the Growth of Higher Plants.
1. Toxic effect.
2. Effect of arsenic compounds on germination.
3. Do arsenic compounds stimulate higher plants?
1. Toxic effect.
2. Effect of arsenic compounds on germination.
3. Do arsenic compounds stimulate higher plants?
III. Effect of Arsenic Compounds on Certain of the Lower Plants.
1. Algae.
2. Fungi.
1. Algae.
2. Fungi.
Conclusion.
CHAPTER VI EFFECT OF BORON COMPOUNDS
I. Presence of Boron in Plants.
II. Effect of Boron on the Growth of Higher Plants.
1. Toxic effect.
2. Effect of boron compounds on germination.
3. Does boron stimulate higher plants?
1. Toxic effect.
2. Effect of boron compounds on germination.
3. Does boron stimulate higher plants?
III. Effect of Boron Compounds on Certain of the Lower Plants.
Conclusion.
CHAPTER VII EFFECT OF MANGANESE COMPOUNDS
I. Presence of Manganese in Plants
II. Effect of Manganese on the Growth of Higher Plants.
1. Toxic effect.
2. Effect of manganese compounds on germination.
3. Does manganese stimulate higher plants?
1. Toxic effect.
2. Effect of manganese compounds on germination.
3. Does manganese stimulate higher plants?
III. Effect of Manganese Compounds on Certain of the Lower Plants.
IV. Physiological Considerations of Manganese Stimulation.
Conclusion.
CHAPTER VIII CONCLUSIONS
BIBLIOGRAPHY
INDEX OF PLANT-NAMES
GENERAL INDEX
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