PHYSICAL CHARACTERISTICS
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Complete catalog record
Series: KNOW YOUR SOIL seriesIES
More in KNOW YOUR SOIL seriesIES
- IMPORTANCE OF SOIL
- pH: ACID-ALKALINE SOILS
- PHOSPHORUS AND SULFUR
- PHYSICAL CHARACTERISTICS
- POTASH AND THE MINOR ELEMENTS
- How Plants Grow. 1964
Sources
- Educational film guide. Supplements (1959-62) — title, catalog record
Record added 2026-07-06 15:47:38