A Study of the Secondary Effects of Hill Fertilization
Author: Horace James Harper
Publisher:
Published: 1925
Total Pages: 48
ISBN-13:
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The Effect of Fertilizers on the Formation of Nodules on the Soybean
Author: George Ernest Helz
Publisher:
Published: 1926
Total Pages: 86
ISBN-13:
DOWNLOAD EBOOKResearch Bulletin - Agricultural Experiment Station, Iowa State College
Author: Iowa Agriculture and Home Economics Experiment Station
Publisher:
Published: 1923
Total Pages: 748
ISBN-13:
DOWNLOAD EBOOKSoil Science
Author:
Publisher:
Published: 1926
Total Pages: 540
ISBN-13:
DOWNLOAD EBOOKA monthly journal devoted to problems in soil physics, soil chemistry and soil biology.
Experiment Station Record
Author: United States. Office of Experiment Stations
Publisher:
Published: 1927
Total Pages: 1038
ISBN-13:
DOWNLOAD EBOOKSome Effects of Method of Application of Fertilizers on Corn and Soils
Author: Frederick Burean Smith
Publisher:
Published: 1927
Total Pages: 52
ISBN-13:
DOWNLOAD EBOOKJournal of the American Society of Agronomy
Author:
Publisher:
Published: 1923
Total Pages: 1410
ISBN-13:
DOWNLOAD EBOOKSoil Survey Report
Author: Iowa Agriculture and Home Economics Experiment Station
Publisher:
Published: 1927
Total Pages: 86
ISBN-13:
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