Fertilizer trials in cultivators fields in Ceylon.
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| Format: | Texto biblioteca |
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| Published: |
1959
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| Subjects: | CULTIVATED LAND, TESTING, FERTILIZERS, EXPERIMENTATION, NITROGEN, AMMONIUM SULPHATE, PHOSPHATE FERTILIZERS, TERRE CULTIVEE, TESTAGE, ENGRAIS, TIERRAS CULTIVADAS, ENSAYO, ABONOS, AZOTE, SULFATE D'AMMONIUM, ENGRAIS PHOSPHATE, EXPERIMENTACION, NITROGENO, SULFATO DE AMONIO, ABONOS FOSFATADOS, |
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