, Andalas University
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BIOTROPIA Vol. 25 No. 3 (2018) - Research Paper
ENZYME ACTIVITY IN RELATION TO TOTAL K, Ca, Mg, Fe, Cu AND Zn IN THE OIL PALM RHIZOSPHERE OF RIAU’S PEATLANDS, INDONESIA
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BIOTROPIA Vol. 28 No. 2 (2021): BIOTROPIA Vol.28 No.2, Agustus 2021 - Research Paper
SULFATE AMMONIUM FERTILIZER ON THE OFF-SEASON PRODUCTION OF SNAKE FRUIT (Salacca sumatrana Becc.)
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