Transition from extensive to intensive agriculture with fertilisers: proceedings of the 7th Colloquium of the International Potash Institute held in Israel, 1969
Transition from extensive to intensive agriculture with fertilisers: proceedings of the 7th Colloquium of the International Potash Institute held in Israel, 1969
- Berne, Switzerland International Potash Institute 1969
- 282 p.
Fertilizers and manures - Congresses
631.8063
Fertilizers and manures - Congresses
631.8063