Books by O. F. Cook

80 books found

Economic plants of Porto Rico

Economic plants of Porto Rico

19031 ed.
Rubber cultivation for Porto Rico

Rubber cultivation for Porto Rico

19001 ed.
Food plants of ancient America

Food plants of ancient America

19041 ed.
Hindi cotton in Egypt

Hindi cotton in Egypt

19111 ed.
Origin of the Hindi cotton

Origin of the Hindi cotton

19072 ed.
Relationships of the Ivory Palms

Relationships of the Ivory Palms

19102 ed.
Weevil-resisting adaptations of the cotton plant

Weevil-resisting adaptations of the cotton plant

19061 ed.
Methods and causes of evolution

Methods and causes of evolution

19081 ed.
Reappearance of a primitive character in cotton hybrids

Reappearance of a primitive character in cotton hybrids

19081 ed.
Change of vegetation on the South Texas prairies

Change of vegetation on the South Texas prairies

19081 ed.
Sea-island and meade cotton in the southeastern states

Sea-island and meade cotton in the southeastern states

19271 ed.
One-variety cotton communities

One-variety cotton communities

19221 ed.
Local adjustment of cotton varieties

Local adjustment of cotton varieties

19091 ed.
Evolution of cellular structures

Evolution of cellular structures

19051 ed.
Extension of cotton production in California

Extension of cotton production in California

19171 ed.
Improvements in cotton production

Improvements in cotton production

19211 ed.
Vegetation affected by agriculture in Central America

Vegetation affected by agriculture in Central America

19091 ed.
Cotton selection on the farm by the characters of the stalks, leaves, and bolls

Cotton selection on the farm by the characters of the stalks, leaves, and bolls

19101 ed.
Danger in judging cotton varieties by lint percentages

Danger in judging cotton varieties by lint percentages

19081 ed.
The section of seed and plant introduction

The section of seed and plant introduction

18991 ed.
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