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PENGARUH PEMBERIAN GIBERELIN DAN PUPUK KALIUM TERHADAP PERTUMBUHAN DAN PRODUKSI TANAMAN BAWANG MERAH (Allium ascalonicum L.) Nora Katrin; Nurbaiti; Murniati
DINAMIKA PERTANIAN Vol. 37 No. 1 (2021): Jurnal Dinamika Pertanian Edisi April 2021
Publisher : UIR Press

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.25299/dp.2021.vol37(1).7717

Abstract

This research aims to find out the interaction effect of gibberellin and potassium fertilizer doses, to examine the effect potassium fertilizer doses on various gibberellin concentrations, gibberellin concentrations on various potassium fertilizer doses, and to find the main effect of gibberellin and potassium fertilizer which is better for growth and the production of shallot plant. The research was conducted at the UPT of the Faculty of Agriculture, Riau University, Pekanbaru, starting from December 2018 to February 2019. The method was experimentally arranged using the completely randomized block design. The main plot was the gibberellin concentrations (0, 100, 200 and 300) ppm. The sub plot was the dose of potassium fertilizer (100 and 200) kg of KCl ha-1. The parameter observed were plant height, total of leaves, diameter of bulbs, total bulbs per clump, fresh weight of bulbs per clump/plot, and dry weight of bulbs. The data were analyzed statistically with anova and Duncan test continued level of 5%. There was interaction effect of gibberellin and potassium fertilizer increased the fresh weight of bulbs. The treatment 100 kg of KCl ha-1 and 200 ppm of gibberellin increased the fresh weight and dry weight of bulbs. The treatment 200 kg of KCl ha-1 and 200 ppm of gibberellin was better to increase the total of leaves and diameter of bulbs. The treatment of gibberellin 200 ppm was better to increase the fresh weight and dry weight of bulbs. The treatment of 200 of KCl ha-1 increased the plant height and total of leaves.
PEMANFAATAN KOMPOS AMPAS SAGU DAN PUPUK FOSFOR UNTUK PERTUMBUHAN DAN PRODUKSI TANAMAN OKRA (Abelmoschus esculentus (L.) Moench) Desi Ratna Sari; Nurbaiti; Idwar
DINAMIKA PERTANIAN Vol. 37 No. 2 (2021): Jurnal Dinamika Pertanian Edisi Agustus 2021
Publisher : UIR Press

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.25299/dp.2021.vol37(2).11853

Abstract

The purpose of this study is to determine the effect of the interaction of sago pulp compost and phosphorus fertilizer, the single factor of sago pulp compost and phosphorus fertilizer, and to obtain the optimal dosage of sago pulp compost and phosphorus fertilizer for growth and production of okra plants. The study was conducted at the Experimental farm of the Faculty of Agriculture, University of Riau. The study used a factorial randomized block design (RCBD). The first factor is the dosage of sago pulp compost (K) K0 : 0 kg per plot (0 tons.ha-1), K1 : 1,75 kg per plot (8,75 tons.ha-1), K2 : 3,50 kg per plot (17,50 tons.ha-1) and K3 : 5,25 kg per plot (26,25 tons.ha-1). The second factor is the dosage of SP-36 phosphorus fertilizer (P) P0 : 0 g SP-36 per plot (0 kg.ha-1), P1 : 10 g SP-36 per plot (50 kg.ha-1) and P2 : 20 g SP-36 per plot (100 kg.ha-1). The parameters observed were plant height, number of fruits per plant, fruit length, fruit diameter, fruit weight per plant, number of fruits per plot, and fruit weight per plot. The data obtained were statistically analyzed using variance and continued with Duncan's New Multiple Range Test at the level 5%. The results showed that the interaction of sago pulp compost and phosphorus fertilizer could increase plant height, fruit length, fruit diameter, fruit weight per plant, number of fruits per plot, and fruit weight per plot. The best dosage of the growth and production of okra plants is 5,25 kg of sago pulp compost per plot and 20 g SP-36 of phosphorus fertilizer per plot, but the replicated 5,25 kg of sago pulp compost per plot and 10 g SP-36 of phosphorus fertilizer per plot was the optimal dosage that able to produce okra as much 7,01 tons.ha-1.
Co-Authors desi ratna sari Idwar, , Murniati Nora Katrin