International Seminar : The Role of Potassium in Crop Production (1979 Pretoria)
Identifiers
- Open LibraryOL4525772A
Top Subjects
- Potassium fertilizers -- Congresses (1)
- Soils -- Potassium content -- Congresses (1)
- Plants, Effect of potassium on -- Congresses (1)
Books by International Seminar : The Role of Potassium in Crop Production (1979 Pretoria)
Total count: 1