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Armaini
Universitas Riau
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Journal : Dinamika Pertanian

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PENGARUH KAPUR PADA MEDIA TANAM TERHADAP PERTANAMAN CABAI MERAH Eni Miftahul Janah; Idwar; Armaini
DINAMIKA PERTANIAN Vol. 36 No. 1 (2020): Jurnal Dinamika Pertanian Edisi April 2020
Publisher : UIR Press

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.25299/dp.2020.vol36(1).5367

Abstract

ABSTRACT Red chili has a potential to be developed in sub-optimal land (Inceptisol, Ultisol, and peatland) by adding lime as amelioration. Besides that good characteristics of peat soils can also improve Ultisol and Inceptisol soils when is mixed. With the application of these technologies can increase the productivity of red chili. This study aimed to examine the effect of agricultural lime on several growing media and to determine the best treatment on the growth and yield of red chili. The study was conducted at the experimental farm of the Faculty of Agriculture, University of Riau from April to September 2018. The research was carried out in factorial with 2 factors and designed by completey randomized design and then tested with Duncan's new multiple range test. The first factor was media Ultisol, Inceptisol, peat, peat+Ultisol, and peat+Inceptisol. The second factor consisted of lime 0,0 x Al-dd, 1,0 x Al-dd and 2,0 x Al-dd. The observed parameters were stem diameter, flowerage, number, length, diameter, and weight. The results showed that lime application 1,0 x Al-dd for Inceptisol provided a good effect on stem diameter, flowerage, number, length, diameter, and fruit weight. The best treatment was found in 1,0 x Al-dd on peat+Inceptisol with a productivity of 135,10 per plant. Keywords: Lime, Planting media, Chili, Ultisol, Inceptisol, Peat,
APLIKASI BIOCHAR SEKAM PADI DAN BAKTERI PELARUT FOSFAT Paenibacillus sp. PADA TANAMAN CABAI MERAH (Capsicum annum L) DI MEDIUM ULTISOL Beatrix Stella Marien Simamora; Zulfatri; Armaini
DINAMIKA PERTANIAN Vol. 37 No. 3 (2021): Jurnal Dinamika Pertanian Edisi Desember 2021
Publisher : UIR Press

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.25299/dp.2021.vol37(3).8929

Abstract

Red chili is a commodity that must be developed in the Riau, which is mostly ultisol soil. Rice husk biochar as an ameliorant can increase plant growth. Also the bacteria Paenibacillus sp. can solubilize unavailable phosphate to become available for red chili plants. This study aimed to know the best doses between the combination of rice husk biochar and phosphate solubilizing bacteria Paenibacillus sp. on the growth of red chili plants. The study was conducted at the experimental farm of the Faculty of Agriculture, the University of Riau from January to May 2021, using non-factorial and randomized completely design, then tested with Duncan's new multiple range test (DNMRT). The combination factor is rice husk biochar and phosphate solubilizing bacteria Paenibacillus sp.: 0 g/polybag + 0 ml (B1); 0 g/polybag + 15 ml (B2); 0 g/polybag + 30 ml (B3); 0 g/polybag+ 45 ml (B4); 210 g/polybag + 0 ml (B5); 210 g/polybag + 15 ml (B6); 210 g/polybag + 30 ml (B7); 210 g/polybag + 45 ml (B8); 420 g/polybag + 0 ml (B9); 420 g/polybag + 15 ml (B10); 420 g/polybag + 30 ml (B11); and 420 g/polybag + 45 ml (B12). Parameters observed were plant height, stem diameter, number of branches, number of leaves, leaf width, number of flowers, and root dry weight. The results showed that the combination of 420 g/polybag rice husk biochar and 45 ml bacteria Paenibacillus sp. affected both the vegetative and generative growth of red chili plants.
PENGARUH KEDALAMAN MUKA AIR TANAH TERHADAP PERTUMBUHAN DAN PRODUKSI SERTA MUTU FISIOLOGIS BENIH KEDELAI (Glycine max (L) Merril) YANG DIHASILKAN Randika Prasetya; Idwar; Armaini
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).11869

Abstract

Soybean production in Indonesia has decreased year by year. This is caused by high rainfall potentially causing water-saturated land. This is due to heavy rain which can cause the water to become saturated. Implementation of drainage and groundwater depth control is expected to increase soybean productivity. The purpose of this study is to determine the best groundwater depth for growth, production and physiological quality of soybeans produced. The study was conducted at the Experimental farm of the Faculty of Agriculture, the University of Riau from February to May 2019. The depth of the groundwater used was 5 cm, 10 cm, 15 cm, 20 cm, and control treatment. The parameters observed were plant height and number of nodes, flowering age, age of harvest, number of seeds per plant, dry weight of seeds per plant, the weight of 100 seeds per plant, the suitable percentage for seed, standard germination test, and index value test. Data were analyzed by analysis of variance then continued with Duncan's New Multiple Range Test at the 5% level. The results showed that a depth of 5 cm, which produces poor aeration, leads to unoptimal absorption of nutrients, thus plant height and number of nodes, number of seeds per plant, dry seed weight per plant, 100 seed weight per and the suitable percentage for seed decreased. In the treatment, a water level of 20 cm from the soil gave the best results in terms of seed growth, production and physiological quality due to good ventilation, sufficient water availability and optimal absorption of nutrients.
Co-Authors Beatrix Stella Marien Simamora Eni Miftahul Janah Idwar, , Randika Prasetya Restu Agusti Ruhul Fitrios Zulfatri Zulfatri