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Differences in the recovery of nitrogen from ammoniacal and nitrate sources in the reclaimed polders of the zuyderzee

Bibliografia : p. 358

Creator(s): Lehr, J.J.

Dates: 1950-01-01/1950-01-01

Data source: Bibliotecas | Instituto Politécnico de Castelo Branco

See details of Differences in the recovery of nitrogen from ammoniacal and nitrate sources in the reclaimed polders of the zuyderzee (KOHA-IPCB:4943)

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Exploratory pot experiments on sensitiveness of different crops to sodium

Bibliografia : p. 47

Creator(s): Lehr, J.J.

Dates: 1949-01-01/1949-01-01

Data source: Bibliotecas | Instituto Politécnico de Castelo Branco

See details of Exploratory pot experiments on sensitiveness of different crops to sodium (KOHA-IPCB:4959)

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