Fertilizers guide for food grains in the tropics and subtropics

De Geus, J.G.

Fertilizers guide for food grains in the tropics and subtropics by J.G. De Geus - Switzerland Centre d'Etude de I'Azote Zuirch 1970 - 119 p.


Fertilizers

631.81:633(213) / D 317 F
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