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This bibliography is a guide to the literature on Mexican flowering plants, beginning with the days of the discovery and conquest of Mexico by the Spaniards in the early sixteenth century.
The bean crop of the Southwest suffers severe injury from the bean ladybird, which sometimes ruins entire crops. It is restricted to beans for food and attacks all kinds. Both beetles and their larvæ devour all parts of the plant -- leaves, flowers and pods -- but the chief injury is to the foliage. The pest can be controlled in small areas by hand-picking the overwintered beetles and by brushing the larvæ or young from the plants during hot, dry weather. On a larger scale it may be controlled by spraying with arsenite of zinc, arsenate of lead, or arsenate of lime. Clean cultivation should be practiced and early and late planting."--[2]
This book is an example of how dramatic innovations frequently have their origins in the distant past. By rediscovering the most ancient of all building materials -- earth -- homebuilders can now create structures that set new standards for beauty, durability, and extraordinarily efficient use of natural resources. Rammed earth marks a step into a sustainable future, when houses combine aesthetics and practicality with a powerful sense of place. The solid masonry walls permit design flexibility while providing year-round comfort and minimal need for added heating or cooling. From the equatorial tropics to the coldest northern latitudes, the builder and resident of a rammed earth house will experience the satisfaction of creating permanence in a world dominated by the disposable.
And conclusions. pp. 13.