Transition from extensive to intensive agriculture with fertilisers : proceedings of the 7th Colloquim of the International Potash Insti tute held in Israel, 1969.
Transition from extensive to intensive agriculture with fertilisers : proceedings of the 7th Colloquim of the International Potash Insti tute held in Israel, 1969.
- Berne, Switzerland , 1969.
- 282 p. : ill. ; 23 cm.
Includes bibliographical references.
Fertilizers and manures--Congresses.
631.81
Includes bibliographical references.
Fertilizers and manures--Congresses.
631.81