Soil : the yearbook of agriculture / United States Department of agriculture
Publication details: Washington, DC : U.S Government, 1957Description: xiii, 780 p. : ill. ; 23 cmSubject(s): DDC classification:- 20 630.5 SOI
| Item type | Current library | Call number | Copy number | Status | Date due | Barcode |
|---|---|---|---|---|---|---|
Book Open Access
|
Agriculture and Animal Sciences Library | 630.5 SOI 1 (Browse shelf(Opens below)) | 1 | Available | 0028279 |
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CONTENTS
Principles
the basis of fertility
what soils are
physical properties
growth of plants
e.tc
Fertility
plant nutrition and soil fertility
nitrogen and soil fertility
soil phosphorous and fertility
e.tc
Practices
how to determine nutrient needs
soil reaction and liming
trends of fertilizers
materials and mixtures
e.tc
Soil care
principles of tillage
saline and alkali soils
erosion on cultivated land
e.tc
Moisture
conserving soil moisture
irrigation in arid regions
e.tc
Systems
cropping systems and soil
the use of soil maps
three farming systems
e.tc
Regions
Special uses
Includes index
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