Fertilizer guide for the tropics and subtropics
de Geus, Jan. G.
Fertilizer guide for the tropics and subtropics - 2nd ed. - Zurich Centre de Etude de L Azote 1973 - 774p.
G.Jan De Geus
631.8(026)(213) L3
Fertilizer guide for the tropics and subtropics - 2nd ed. - Zurich Centre de Etude de L Azote 1973 - 774p.
G.Jan De Geus
631.8(026)(213) L3


