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All Journal Bioplante Biogenesis: Jurnal Ilmiah Biologi AGRIVITA, Journal of Agricultural Science Jurnal Agro Planta Tropika Jurnal Media Pertanian Riau Journal of Empowerment Pelita Masyarakat Prosiding Seminar Nasional Pengabdian Kepada Masyarakat AGRIC
Made Deviani Duaja
Fakultas Pertanian Universitas Jambi
Agriculture, Biological Sciences & Forestry Humanities Biochemistry, Genetics & Molecular Biology Chemical Engineering, Chemistry & Bioengineering Economics, Econometrics & Finance Education Energy Environmental Science Immunology & microbiology Languange, Linguistic, Communication & Media Physics Public Health Social Sciences Other

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OPTIMASI HASIL KEDELAI DENGAN PENGGUNAAN LIMBAH PADAT PABRIK KELAPA SAWIT Made Deviani Duaja; Elis Kartika; Gusniwati Gusniwati; Ferry Irawan
Agric Vol. 34 No. 1 (2022)
Publisher : Fakultas Pertanian dan Bisnis, Universitas Kristen Satya Wacana

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.24246/agric.2022.v34.i1.p57-68

Abstract

Soybean is planted in some types of land agroecology, but production centers are mostly on peat and tides. This research was conducted at the soybean center in Rantau Rasau District with agroecology peat and tideland. The trial was arranged in a Randomized Block Design (RBD) with ten treatments and four times repeatitions. It consisted of several doses of organic material decanter cake (DC) and the percentage of the recommended amount of mineral fertilizer (RDF). RDF was selected based on Indonesia Food Crop Agriculture Service. Decanter cake from palm oil mill waste was used as a source of organic material. Experimental parameters are plant height, leaf number, grain yield, 100 grain weight, and the number of pods, seeds per pod, and plant. The result indicated the combination of mineral fertilizer and organic material DC had significant differences in increasing plant height and number of leaves. Different types of RDF and DC combinations showed substantial effects on the soybean yield and yield components. The combination of RDF 25% and decanter cake at any dose positively impacted soybean height, leaf number, and grain yield component. The highest dry seed yield of 2.48 tons per hectare was achieved by a combination of 25% RDF and 20 ton ha-1 decanter cake. Soybean yield in this study was higher than Anjasmoro’s description of 2.03–2.25 tons ha-1
PRODUCTION OF OIL PALM (Elaeis guineensis Jack) FLOWER BUNCHES IN ULTISOL ON APPLICATION OF BIOFERTILIZERS AND IN ORGANIC FERTILIZERS Elis Kartika; Made Deviani Duaja; Gusniwati Gusniwat
Agric Vol. 34 No. 2 (2022)
Publisher : Fakultas Pertanian dan Bisnis, Universitas Kristen Satya Wacana

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.24246/agric.2022.v34.i2.p155-170

Abstract

One of the efforts to increase the production of oil palm flower bunches in ultisols is applying biofertilizers and inorganic fertilizers. Biofertilizers can reduce the use and adverse effects of inorganic fertilizers. Arbuscular Mycorrhizal Fungi (AMF) is one of the biofertilizers that can help plants absorb nutrients and increase plant resistance to various environmental stresses. This study aimed to examine the role of AMF (as biofertilizer) and inorganic fertilizers in increasing the production of oil palm flower bunches in Ultisol. This experiment is a factorial experiment using a Randomized Block Design. The first factor is the application of biofertilizers, which consists of two levels without biofertilizers (AMF) and with biofertilizers (AMF). The second factor is the dose of inorganic fertilizer, composed of 5 levels, no inorganic fertilizer, 25, 50, 75, and 100% recommended doses of inorganic fertilizer. The variables observed were the number of sheaths, the percentage of broken sheaths, the number of male flower bunches, the number of female flower bunches, the percentage of male and female flower bunches, sex ratio per plant, and AMF colonization. The results showed that AMF biofertilizer saved 25% of inorganic fertilizers and increased 29.33% of female flowers production. The highest production of oil palm flower bunches was obtained from the application of AMF biofertilizer and 75% of inorganic fertilizers (1.5 kg Urea, 1.1 kg SP-36, 1.2 kg MOP, 0.7 kg Kisserite per plant). Oil palm with AMF had a higher average sex ratio than plants without AMF biofertilizers. The average sex ratio in oil palm plants applying AMF biofertilizer and inorganic fertilizers ranged from 0.42 to 0.73.
Pengaruh Dekanter Solid dan Plant Growth Promoting Rhizobacteria (PGPR) Terhadap Pertumbuhan dan Hasil Kedelai (Glycine max (L.) Merrill) Buhaira Buhaira; Made Deviani Duaja; Sosiawan Nusifera
Jurnal Media Pertanian Vol 8, No 2 (2023): Oktober
Publisher : Universitas Batanghari

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33087/jagro.v8i2.214

Abstract

Soybean (Glycine max (L) Merrill) is an important food crop because of its nutritional content, especially its high protein content. Increasing need is not balanced with  increase in production. One of causal factors is low level of soil fertility. This research aimed to study the interaction effect of solid decanter dosage with PGPR concentration on the growth and yield of soybean plants. The experimentwas arranged in a randomized block design with factorial pattern consisted of 2 factors, namely solid decanter and PGPR. Solid decanter (K) comprisedtwo dose levels, namely: k1 = 10 ton.ha-1 solid decanter, and  k2 = 15 ton.ha-1 solid decanter, while PGPR (P) comprised 3 concentration levels, namely: p0 = without PGPR (0%), p1 = PGPR 30%, p2 = PGPR 50%. Variables observed were plant height, number of branches, number of pods per plant, number of filled pods per plant, weight of seeds per plant, weight of 100 seeds and yield of plants. Data from the observations were statistically analyzed using analysis of variance (Anova). If the results of the analysis of variance showed significance, analysis was continued with mean comparison using LSD test at the α = 5% level. Results showed that there were interaction effect found on number of filled pods and the weight of 100 seeds. Meanwhile, there were no interaction effect foundonplant height, number of branches, number of pods per plant, seed weight per plant and yield. Thus, it was concluded that the provision of solid decanters of 10 ton.ha-1 to 15 ton.ha-1 and PGPR up to a concentration of 50% were not able to increase soybean crop yields.
Co-Authors Arzita, Arzita Buhaira Buhaira D C Fransisca Delma Sonia Dewi Komala Sari Elis Kartika Ferry Irawan Gusniwati , Gusniwati Gusniwati Helmi Salim Hisar Tindaon Johannes Lizawati Lizawati Lusiana Siregar Mapegau . Miranti Sari Fitriani NELIYATI, Neliyati Nelyati Nelyati Pasro Simanjuntak Setyaji, Hajar Sosiawan Nusifera Wahyudi Wahyudi Yan Redo Zul Fahri Gani Zulkarnain Zulkarnain