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Pengaruh Pengaruh Pupuk Kandang Terhadap Pertumbuhan Dan Hasil Jahe (Zingiber Officinale Rosc.) Jenis Badak Serta Periode Kritis Jahe Terhadap Kompetisi Gulma
(IPB (Bogor Agricultural University), 1992)
Field experiments were conducted to determine the critical period of ginger on the competition with weeds, from November 1989 to June 1990. Symmetrical method was used with the treatment of weed free (0-30, 0-60, 0-90, ...