Search results for: Robertson, Lynn Shelby, 1916-
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1
A study of some effects of seven systems of farming upon crop yields and soil structure
Authors: Robertson, Lynn Shelby, 1916-
Published: 1955Physical Description: 8 unnumbered pages, 84 leaves : illustrations ; 29 cmHoldings: Loading…
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2
Essential secondary elements. Sulfur
Authors: Robertson, Lynn Shelby, 1916-
Published: Cooperative Extension Service, Michigan State University, 1976Physical Description: 3 pages, 1 unnumbered page.Holdings: Loading…Connect to online resource - All users (Michigan State University Libraries)
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3
Essential micronutrients. Manganese
Authors: Robertson, Lynn Shelby, 1916-
Published: Cooperative Extension Service, Michigan State University, 1976Physical Description: 3 pages, 1 unnumbered page.Holdings: Loading…Connect to online resource - All users (Michigan State University Libraries)
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4
Essential micronutrients. Boron
Authors: Robertson, Lynn Shelby, 1916-
Published: Cooperative Extension Service, Michigan State University, 1976Physical Description: 4 unnumbered pages.Holdings: Loading…Connect to online resource - All users (Michigan State University Libraries)
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5
Tillage systems for Michigan soils and crops. Part 1, Deep, primary, supplemental and no-till
Authors: Robertson, Lynn Shelby, 1916-
Published: Cooperative Extension Service, Michigan State University, 1977Physical Description: 7 pages, 1 unnumbered page : illustrations.Holdings: Loading…Connect to online resource - All users (Michigan State University Libraries)
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6
Crop residue and tillage considerations in energy conservation
Authors: Robertson, Lynn Shelby, 1916-
Published: Cooperative Extension Service, Michigan State University, 1977Physical Description: 5 pages, 1 unnumbered page : illustrations.Holdings: Loading…Connect to online resource - All users (Michigan State University Libraries)
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7
Soil erosion by water : --an unsolved problem
Authors: Robertson, Lynn Shelby, 1916-
Published: Cooperative Extension Service, Michigan State University, 1977Physical Description: 8 pages : illustrations.Holdings: Loading…Connect to online resource - All users (Michigan State University Libraries)
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8
Compact soil : visual symptoms
Authors: Robertson, Lynn Shelby, 1916-
Published: Cooperative Extension Service, Michigan State University, 1980Physical Description: 10 pages : illustrations.Holdings: Loading…Connect to online resource - All users (Michigan State University Libraries)
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9
Compact soil : visual symptoms
Authors: Robertson, Lynn Shelby, 1916-
Published: Cooperative Extension Service, Michigan State University, 1986Physical Description: 11 pages : illustrations.Holdings: Loading…Connect to online resource - All users (Michigan State University Libraries)
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10
Essential secondary elements : magnesium
Authors: Robertson, Lynn Shelby, 1916-
Published: Cooperative Extension Service, Michigan State University, 1976Physical Description: 4 unnumbered pages : illustrations.Holdings: Loading…Connect to online resource -- All users (Michigan State University Libraries)
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11
Essential secondary elements : calcium
Authors: Robertson, Lynn Shelby, 1916-
Published: Cooperative Extension Service, Michigan State University, 1976Physical Description: 4 unnumbered pages.Holdings: Loading…Connect to online resource -- All users (Michigan State University Libraries)
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12
Essential micronutrients. Zinc
Authors: Robertson, Lynn Shelby, 1916-
Published: Cooperative Extension Service, Michigan State University, 1976Physical Description: 4 unnumbered pages.Holdings: Loading…Connect to online resource - All users (Michigan State University Libraries)
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13
Tillage systems for Michigan soils and crops. Part 2, Secondary tillage and cultivation
Authors: Robertson, Lynn Shelby, 1916-
Published: Cooperative Extension Service, Michigan State University, 1977Physical Description: 6 pages : illustrations.Holdings: Loading…Connect to online resource - All users (Michigan State University Libraries)
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14
Molybdenum, an essential plant micronutrient
Authors: Robertson, Lynn Shelby, 1916-
Physical Description: 2 unnumbered pages.Holdings: Loading…Connect to online resource--All users (Michigan State University Libraries)
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15
Iron, an essential plant micronutrient
Authors: Robertson, Lynn Shelby, 1916-
Published: Cooperative Extension Service, Michigan State University, 1981Physical Description: 4 unnumbered pages.Holdings: Loading…Connect to online resource--All users (Michigan State University Libraries)
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16
Copper : an essential plant micronutrient
Authors: Robertson, Lynn Shelby, 1916-
Published: Cooperative Extension Service, Michigan State University, 1981Physical Description: 3 unnumbered pages.Holdings: Loading…Connect to online resource - All users (Michigan State University Libraries)
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17
Till planting on ridges
Authors: Robertson, Lynn Shelby, 1916-
Published: Cooperative Extension Service, Michigan State University, 1983Physical Description: 11 pages, 1 unnumbered page : illustrations.Holdings: Loading…Connect to online resource - All users (Michigan State University Libraries)
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18
Wind erosion control on organic soil
Authors: Robertson, Lynn Shelby, 1916-
Published: Cooperative Extension Service, Michigan State University, 1978Physical Description: 6 unnumbered pages : illustrations.Holdings: Loading…Connect to online resource -- All users (Michigan State University Libraries)
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19
Surface drainage for improved crop production
Authors: Robertson, Lynn Shelby, 1916-
Published: Cooperative Extension Service, Michigan State University, 1979Physical Description: 8 pages : illustrations.Holdings: Loading…Connect to online resource -- All users (Michigan State University Libraries)
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20
A study of some effects of seven systems of farming upon crop yields and soil structure
Authors: Robertson, Lynn Shelby, 1916-
Published: 1955Physical Description: 1 online resource (8 unnumbered pages, 84 pages) : illustrationsHoldings: Loading…Connect to online resource - All users (Digital Object Identifier Permalink)
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Thesis Electronic eBook
Related Subjects
Soils
Corn
Physiological effect
Research
Soil management
Tillage
No-tillage
Plant nutrients
Planting
Plants
Soil profiles
Crop rotation
Crop yields
Crops and soils
Drainage
Effect of magnesium on
Magnesium
Magnesium content
Prevention
Sampling
Soil compaction
Soil conservation
Soil erosion
Agricultural education
Agricultural engineering
Agricultural pollution
Agronomy
Beans
Boron
Boron content