Nutrient Baances and the Need for fertilizers inSemi-Arid and Arid Rgulation: : Proceedings of the 17th Colloqiim of the International Patash institute Held in IPI Held in Rabat and Marraech1/Maroccco 1983
Nutrient Baances and the Need for fertilizers inSemi-Arid and Arid Rgulation: : Proceedings of the 17th Colloqiim of the International Patash institute Held in IPI Held in Rabat and Marraech1/Maroccco 1983
International Patesh Institute Bern;
- Bern International Patesh Institute 1973
- xxx 394pp