Fertilizer experiments ; the need for longterm trials
Kemmler, G.
Fertilizer experiments ; the need for longterm trials - Bern : International Potash Institute, 1976 - 34 p. ; gráfs. - IPI. Research topics ; 1 . - IPI. Research topics ; 1 .
27355
Fertilizantes--Experimentación.
Fertilizer experiments ; the need for longterm trials - Bern : International Potash Institute, 1976 - 34 p. ; gráfs. - IPI. Research topics ; 1 . - IPI. Research topics ; 1 .
27355
Fertilizantes--Experimentación.