EILHARD ALFRED MITSCHERLICH
SOIL PRODUCTIVITY RATINGS IN ECONOMIC ANALYSIS
CORRELATION OF CHEMICAL SOIL TESTS FOR AVAILABLE PHOSPHORUS WITH CROP RESPONSE, INCLUDING A PROPOSED METHOD
EFFECT OF SULFUR AND GYPSUM ADDITIONS ON AVAILABILITY OF ROCK PHOSPHATE PHOSPHORUS IN LEON FINE SAND
THE HYDROSTATIC REPULSIVE FORCE IN CLAY SWELLING
EFFECT OF DEEP PLACEMENT OF FERTILIZER AND LIME ON YIELD AND ROOT ACTIVITY OF CORN AND CRIMSON CLOVER
THE EFFECT OF BLOOD ON CLAYS
Bodenkunde
Conserving Soil
The Decent of Pierre Saint-Martin
Dictionary of Dietetics
Forage Crops
Geochemistry of Iodine
Hawaiian Planters' Record
Insect Pests of Farm, Garden and Orchard
Modern Chemical Processs
Plant Physiology
Radiation Biology
Soil and Soil-Aggregate Stabilization
Soil Conservation
Soil Sterilization
Soil Zoology
The World of Plant Life
ALUMINUM FOIL USEFUL AS A SOIL SAMPLE CONTAINER