Field Experiments with Fertilizers on Some Iowa Soils
| Author | : William Henry Stevenson |
| Publisher | : |
| Total Pages | : 48 |
| Release | : 1930 |
| Genre | : Agricultural experiment stations |
| ISBN | : |
Field Experiments With Fertilizers On Some Iowa Soils
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Field Experiments with Fertilizers on Some Iowa Soils
| Author | : William Henry Stevenson |
| Publisher | : |
| Total Pages | : 33 |
| Release | : 1930 |
| Genre | : Fertilizers |
| ISBN | : |
The Iowa Soil Survey and Field Experiments
| Author | : William Henry Stevenson |
| Publisher | : |
| Total Pages | : 32 |
| Release | : 1923 |
| Genre | : Agriculture |
| ISBN | : |
Field Experiments with Gypsum in Iowa
| Author | : Lewis Wilson Erdman |
| Publisher | : |
| Total Pages | : 32 |
| Release | : 1925 |
| Genre | : Agricultural experiment stations |
| ISBN | : |
Soil Surveys, Field Experiments and Soil Management in Iowa
| Author | : William Henry Stevenson |
| Publisher | : |
| Total Pages | : 38 |
| Release | : 1918 |
| Genre | : Field experiments |
| ISBN | : |
Crop Yields on Soil Experiment Fields in Iowa
| Author | : William Henry Stevenson |
| Publisher | : |
| Total Pages | : 36 |
| Release | : 1924 |
| Genre | : Agricultural experiment stations |
| ISBN | : |
The Use of Fertilizers on Iowa Soils
| Author | : William Henry Stevenson |
| Publisher | : |
| Total Pages | : 24 |
| Release | : 1925 |
| Genre | : Agriculture |
| ISBN | : |
Soil Survey
| Author | : United States. Soil Conservation Service |
| Publisher | : |
| Total Pages | : 508 |
| Release | : 1941 |
| Genre | : Soil surveys |
| ISBN | : |
Soil Survey of Iowa
| Author | : Iowa Agriculture and Home Economics Experiment Station |
| Publisher | : |
| Total Pages | : 768 |
| Release | : 1923 |
| Genre | : |
| ISBN | : |
